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"Brexit" Campaign Starts Up Again in London; Cleveland Cavaliers Are NBA Champions; Battle Still Rages to Drive ISIS from Fallujah; 49 Shooting Victims Remembers in Orlando; Massive Wildfires Burns in New Mexico, Arizona, California; Tech Giant Tencent Keeps Chinese NBA Fans Glued to Their Screens; "Brexit" Campaign Starts Up Again in London; ISIS Targets U.S. Bases in South Korea; Twitter Accounts of ISIS Supporters Hacked; Brazil Street Crime a Concern at Olympic Games. Aired 2-3a ET

Aired June 20, 2016 - 02:00   ET

THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED.


(COMMERCIAL BREAK)

(HEADLINES)

[02:00:35] ROSEMARY CHURCH, CNN ANCHOR: Hello, and welcome to our viewers here in the United States and all around the world. I'm Rosemary Church. Thanks for joining us. This is CNN NEWSROOM.

A divided United Kingdom is days away from deciding whether or not to remain in the European Union. Both sides resumed campaigning ahead of Thursday's referendum, holding rallies in London. Opinion polls show voters are evenly split on the question, with the Remain Camp recovering some momentum.

Prime Minister David Cameron is leading the Remain Campaign. And he has stressed the economic impact for leaving, warning a vote for Brexit will leave Britain permanently poorer.

(BEGIN VIDEO CLIP)

DAVID CAMERON, BRITISH PRIME MINISTER: -- this referendum, right? If Britain wants to leave this organization, we can. We are a sovereign country. We choose to join NATO. We choose to join the E.U. And if we choose to leave, we can leave. But let's be clear, if we do leave, that's it. We're walking out the door. We're quitting. We're giving up on this organization, which, even if we leave, will have a huge affect on our lives, on our children, on our opportunities, on our businesses. And I don't think Britain, at the end, is a quitter. I think we stay and fight.

(END VIDEO CLIP)

CHURCH: And former London mayor, Boris Johnson, is on the Leave side of this argument. He urged supporters to seize what he called an once-in-a-lifetime opportunity to change the course of European history. He said taking back control of Britain's destiny is the issue, not immigration.

(BEGIN VIDEO CLIP) BORIS JOHNSON, LEAVE CAMPAIGN & FORMER LONDON MAYOR: I'm pro immigrants. I'm pro-immigration, and I'm in favor of an amnesty for illegal immigrants who have been here more than 12 years, unable to contribute -- unable to contribute to this economy, unable to pay taxes, unable to take proper part in society. And I'll tell you why. Because it is the humane thing to do. It is the economically rational thing to do. And it means taking back control of a system that is at the moment completely out of control.

(END VIDEO CLIP)

CHURCH: Now, aside from the fiery words about the Brexit vote, there's emotionally loaded images, as well. A group support Britain's leaving the E.U. produced a poster entitled "Breaking point. It shows crowds of immigrants queuing up presumably to integrate into Britain. Brexit opponents denounced the image, saying it's reminiscent of anti- refugee Nazi propaganda from the 1930s. There's another image grabbing attention. This one from the air, and it shows hundreds of supporters of the Remain Campaign coming together to spell out the word "In." This was formed on Sunday when the huge crowd turned up in London's Hyde Park for a rally.

The murder of British M.P. Joe Cox suspended the Brexit debate for a few days.

Nic Robertson is in Birstall where Cox was killed, and he joins us now.

Nic, as we've seen, campaigning has resumed in the wake of the tragic murder of British M.P. Jo Cox. What's being said about the likely impact of her death on how people will vote on the issue?

NIC ROBERTSON, CNN INTERNATIONAL DIPLOMATIC EDITOR: It does seem to be giving some people pause for thought, the fact that the campaigning was stopped. That was because of the tragedy and the horrific nature of it. And the undertones of it have given people pause for thought. And it does seem that some people are beginning to reflect on what they were -- what they were thinking, and now beginning potentially to consider changing their minds. This is what we found out not far from here over the weekend.

(BEGIN VIDEOTAPE)

ROBERTSON (voice-over): Genteel tearooms, lines forming, Yorkshire life in Harrogate, not far from where M.P. Jo Cox was killed, moves on towards the referendum, but not the same.

UNIDENTIFIED FEMALE: It has made me reconsider just because of the causes behind it. And I think it should probably be called a racist attack. I was undecided. But it's possibly to turning me more to voting in than out.

ROBERTSON: She is not alone.

[02:05:04] UNIDENTIFIED FEMALE: I was going for out before. Now, I'm a bit unsure. And I'm a bit nervous about doing something a bit different.

ROBERTSON (on camera): And yourself?

UNIDENTIFIED FEMALE: I was definitely going for out all the way. And I don't -- I think -- I was wavering. And I think this made me think, you know what, maybe we would best stay in.

ROBERTSON (voice-over): But men in this beautiful spa town seem less easily shaken by Cox's death.

(on camera): Do you think that the killing of Jo Cox is going to make a difference on the outcome?

UNIDENTIFIED MALE: No.

ROBERTSON: Why not?

UNIDENTIFIED MALE: I just don't think it will. I will think people have made up their minds before that happened, I'm afraid.

ROBERTSON (voice-over): And both convinced leaving the E.U., an organization that has at the very least given this tourist town an award for its flowers, is still the right thing to do.

UNIDENTIFIED MALE: My mind is made.

ROBERTSON (on camera): Would you tell us?

UNIDENTIFIED MALE: We're going out. We're going out.

ROBERTSON: Why is that?

UNIDENTIFIED MALE: Because the place, Harrogate is not too bad, but there's places in the country that are overrun with too many immigrants, I'm afraid.

UNIDENTIFIED MALE: I'm voting out.

ROBERTSON: Why is that?

UNIDENTIFIED MALE: Because it's good to have a change. It's good to mix the pot a little.

ROBERTSON (voice-over): This Sunday, a 1940s Remembrance Day commemoration, a ready reminder of when Europe was last at war. Security and economy on peoples' minds.

UNIDENTIFIED FEMALE: I've already voted, in.

ROBERTSON (on camera): Why was that?

UNIDENTIFIED FEMALE: Because of the possibility of the financial impact afterwards.

UNIDENTIFIED FEMALE: In.

ROBERTSON: Why is that?

UNIDENTIFIED FEMALE: I think just it's a safer option. I have no evidence to suggest that we would be better out of it. So, in.

(END VIDEOTAPE)

ROBERTSON: It really is too soon to say if and how big an impact Jo Cox's killing may have. But you begin to get a sense that, just at that moment when the polls were running for the Leave Campaign, they were really edging ahead, that, sadly, the really is, Jo Cox's murder may, indeed, have an impact, a big impact, on the future of this country -- Rosemary?

CHURCH: Yeah. As you say, it's a little early to know.

But as we mentioned, former London mayor, Boris Johnson, he supports leaving the E.U., of course. But he's now making it clear that he is pro-immigrant and he supports an amnesty for illegal immigrants. How are the Brexit supporters likely to respond to this new message? Have they responded just yet?

ROBERTSON: Yeah, I think that comes in the category of changing the tone. Boris Johnson has all along said that's he's not against immigrants, not against immigration, but the fact that it's now sort of shading his argument more towards the take back control. There was a debate last week, a week ago now, where that was the central message that emerged from the Leave Campaign, take back control. The Leave Campaign is a relatively broad spectrum, if you look at all of the organizations. And it does seem, the early stages, we can see divisions within the Leave Campaign. And the issue and the tone over how immigration is debated, those on the more right of the Leave Campaign, who seem to focus on immigration, has made it an emotive issue. And I think Boris is really trying to pull back the narrative for the Leave, and bring it more centrist, take it away from the right. Because that -- the outcome of Jo Cox's murder, is a sense that the Leave Campaign has swung too far to the right, if you will, very emotive on the issue of immigration. So I think we're seeing Boris Johnson really trying to reset and take control and take hold of that narrative now, for the Leave vote.

CHURCH: Yeah.

Our Nic Robertson, joining us live from Birstall. We will chat again next hour. Many thanks to you, Nic. Appreciate it.

The Cleveland Cavaliers are this year's NBA champions. It is the team's first title. But above and beyond that, it's the city of Cleveland's first title in any sport in 52 years. Cavs' star, Lebron James, famously made his return to Cleveland with a championship in mind. On Sunday, he got his wish, finally hoisting the trophy for his hometown. People in Cleveland are celebrating in the streets, of course.

Our Andy Scholes was there when the championship drought finally ended.

(BEGIN VIDEOTAPE)

ANDY SCHOLES, CNN WORLD SPORTS ANCHOR: After 52 years of sports misery, the fans in Cleveland, hoping, praying this would finally be their year. When the final buzzer sounded, the city erupted with pure joy.

(CHEERING)

[02:10:06] UNIDENTIFIED FAN: 52 years of frustration. I've been in the drive and all the other stuff. This is what makes it. It's wonderful.

UNIDENTIFIED FAN: Finally, we did it. My city, Cleveland, is finally champions.

UNIDENTIFIED FAN: If you look around at this city, this is what we wanted. We deserved it. We have the greatest fans. We have the greatest player on the planet.

UNIDENTIFIED FAN: Oh, my god. I can't even describe -- Like, Cleveland deserves this. We have been waiting so long. Like, Cleveland needs nice things.

SCHOLES: Any championship would have been special for Cleveland. But the way they won this one made it extra special. Coming back from 3- 1, beating the Warriors, 73-9, in the regular season. And having their hometown hero, Lebron James, come back and erase all of those sports tears from over the years.

In Cleveland, Ohio, Andy Scholes, CNN.

(CHEERING)

(END VIDEOTAPE)

CHURCH: All right. We turn to Iraq now. And the government's fight to drive ISIS from Fallujah still rages. An operation to seize the key city west of Baghdad began in May. Iraq's prime minister said Friday that the city was liberated. But a CNN crew saw firsthand that fighting continued through the weekend. And an NGO is warning that the battle has led to a humanitarian disaster. The Norwegian Refugee Council says that in addition to the thousands who have already fled Fallujah, some 30,000 people have been displaced in just the last three days.

Our Ben Wedeman is in Baghdad after being in Fallujah over the weekend. He spoke to us earlier about Iraq's efforts to take Fallujah back from ISIS.

(BEGIN VIDEOTAPE)

BEN WEDEMAN, CNN SENIOR INTERNATIONAL CORRESPONDENT: You have to compare it to a prior experience. For instance, the last Iraqi city that the army and other Iraqi forces were able to take back from ISIS was Ramadi, also in Anbar Province. That offensive began on the 25th of November of last year. And it wasn't until early February of this year when it was completely pacified.

So, this has been a fairly rapid operation. It began with the circling of the city. And it's not just the city itself. It's the villages and towns around Fallujah, which aren't small. I've been to many of them. Some of them have several thousand inhabitants. So it takes time.

Once they actually went into the city, starting from the south, once they got a foothold in the neighborhoods, it appears their ability to get inside, to the center of the town, and only two neighborhoods remain under the nominal control of ISIS in the north of the city. So it's not actually been a slow -- they've gone about it deliberately in a neighborhood-by-neighborhood way. But it's actually been a fairly fast operation, compared to other operations that preceded it.

(END VIDEOTAPE)

CHURCH: Russia is denying it bombed U.S.-backed Syrian opposition forces near the Jordanian border. The U.S. has said Russian airstrikes killed new Syrian army fights on Thursday. The U.S. defense secretary said on Friday, the forces hit by the airstrikes were fighting ISIS. Russia says it warned the U.S.-led coalition about the targets it planned to strike.

Monday is World Refugee Day, and the United Nations says the number of displaced people around the world has reached more than 65 million. U.N. Secretary-General Ban Ki-moon is in Greece to discuss the refugee crisis. He met with migrants and refugees in Lesbos on Saturday. The U.N. chief is urging European countries to take in more refugees.

(BEGIN VIDEO CLIP)

BAN KI-MOON, U.N. SECRETARY-GENERAL: The challenge is growing. Every day, around the world, thousands of families continue to flee their homes.

Detention is not the answer. It should end immediately. Let us work together to resettle more people, provide legal pathways and better integrate refugees.

(END VIDEO CLIP)

CHURCH: Three countries produce about half of the world's refugees according to the U.N.'s Refugee Agency. 4.9 million refugees are from Syria, which has suffered armed conflict and a civil war since 2011. More than 6.5 million Syrians are internally displaced. More than 2.5 million refugees are from Afghanistan, which has seen decades of conflict. And just over one million refugees are from Somalia.

The rush is on to stop a wildfire near the U.S. border with Mexico. It's been racing through southern California and shows no sign of slowing down. We'll take a look at that.

[02:15:07] Plus, fans got a thrilling finale to a historic season in the NBA. We'll show you how China is getting in on the basketball craze, too. We're back in a moment.

(COMMERCIAL BREAK)

(SPORTS REPORT)

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CHURCH: The Orlando nightclub shooter's conversations with authorities during the massacre will be released soon. Officials say some of the transcripts will be revealed Monday, along with a timeline of the attack. The U.S. attorney general will travel to Orlando Tuesday to meet with survivors' families, first responders and investigators.

A huge crowd gathered in downtown Orlando, Florida, to remember the 49 victims of the mass shooting last Sunday. In a beautiful coincidence, a rainbow appeared overhead as thousands looked on.

Our Ed Lavandera has the details.

(BEGIN VIDEOTAPE)

[02:19:49] ED LAVANDERA, CNN CORRESPONDENT: When this event was organized a week ago, the organizer tells me he expected maybe 100 people to show up. But on Sunday night here, in downtown Orlando, on the banks of the lake, 50,000 people turned out for this memorial service and candlelight vigil for those that were killed and gunned down in the deadly shoot-out at the Pulse nightclub a week ago. An unbelievable sight of outpouring of grief and public emotion here at this vigil. It's staggering to see the numbers of people who have come out here to show their support for the survivors and the victims and victims' relatives, as well.

Monday will also be a day when we learn much more about what happened inside of the Pulse nightclub more than a week ago. Authorities plan on releasing transcripts, partial transcripts of the conversations they had with the killer during the attack inside the Pulse nightclub. That's news that will emerge later on today.

(END VIDEOTAPE)

CHURCH: Heavy rains battered Indonesia this weekend, triggering deadly floods and landslides in central Java Province. Many homes were buried. Others were submerged in floodwaters. At least 35 people have lost their lives. Another 25 are missing. West Sumatra was also hit with unusually heavy rains. Thousands more were displaced there, as well.

Right now, massive wildfires are burning in three U.S. states, New Mexico, Arizona and California. Dry brush and sweltering temperatures are fueling this blaze in southern California, just east of San Diego. It's near the U.S. border with Mexico. Residents in the area are under a mandatory evacuation order. Officials say the size of this fire doubled within just a matter of hours.

And joining us now by phone is fire captain, Isaac Sanchez, at Cal Fire headquarters.

And thank you, sir, for talking with us.

Now under these very difficult circumstances, a mandatory evacuation as a result of this fire doubling in size. Talk to us about just how big it is, exactly and how long it will likely take to get this under control.

ISAAC SANCHEZ, CAPTAIN, CAL FIRE, SAN BERNARDINO FIRE DEPARTMENT (voice-over): Right now, the fire is about 1,600 acres. It's threatening 25 to 30 homes. Many additional homes have been evacuated in front of the fire.

As far as how long it's going to take for us to take this one under control, we're going to be out here several more days at the very soonest. We do have several more days ahead of us of 100-degree temperatures. And we're going to be, you know, giving it everything we have until then.

CHURCH: Sir, can you give us an idea of how people in the area are being affected by this fire? And where they're actually going as a result of this mandatory evacuation and the number of people we're talking about here?

SANCHEZ: I don't have a number of residents specifically that were evacuated, just the number of structures. As you can imagine, anytime a fire comes through or anytime someone rouses you from your home and asks you to leave in a hurry, such as we did today, it's a major impact. We have three evacuation centers set up in the area and they've mostly been going there, although some have been staying with family.

CHURCH: All right. Captain Isaac Sanchez, appreciate you talking with us at this particularly difficult time. Thank you.

Let's get more on these temperatures and these fires.

Pedram Javaheri joins us now, our meteorologist, of course.

The temperatures are incredible.

PEDRAM JAVAHERI, AMS METEOROLOGIST: Absolutely, yeah.

CHURCH: I mean, beyond belief. That's helping to fuel all of this. But it's interesting what the captain was saying, maybe this fire will be under control in a number of days. When you look at the temperatures.

JAVAHERI: It's hard to believe, right? A place like California, near the coast, like Santa Barbara, you get an onshore wind. Your temperatures are impacted dramatically versus an off-shore wind from the deserts that sends the temperatures through the roof. Rosemary, I have to talk about how the human body does a good job acclimating to their conditions. The folks that live in high elevations, their body producers more blood cells. Folks that live in hot environments, your sweat content, as far as the salinity is different. The volume of sweet helps you cool off a little bit. But these temperatures, hard- pressed to see much hotter than this on what is officially going to be the first day of summer. This Monday afternoon, across the northern hemisphere, across parts of the southwestern United States, this dome of high pressure in place. Monday afternoon, the official first day of the summer season. Look at this. 30 million people, major cities, Phoenix, Tucson, Las Vegas, towards Los Angeles, underneath heat advisories, heat warnings in place. You look at the temperatures, what are expected to see, some of the records have been standing for decades. Phoenix could get up to 116 degrees. Las Vegas at 115 would be a record. And Winslow, 108 would be a record. Los Angeles, at the USC campus, observation there, should be at the mid and upper 90s. That's below a record temperature for this time a year. But again, you factor in what's happened in the environment here, you know the fire, the coverage of fire, an incredible amount of land has been consumed. You do the math, that's about 60-square miles of land that's been consumed. That's larger than the size of the city of San Francisco of how much an area we're talking about that's been destroyed by the fires in recent days.

Under the perspective there, we're talking about cooler temperatures to start off the first day of summer. Around western portions of Europe, you know what we're talking about. It's about to change. It's about to change in a big way here. Massive area of high pressure. We get a southerly flow out of this. So we go from temperatures that have been in the upper 50s Fahrenheit to about 17 in Paris this afternoon, into the 30s. That would be about 86 degrees Fahrenheit. Again, from the 50s Fahrenheit, up to the 80s Fahrenheit, or 17 to 30 Celsius, if you're watching us in Europe. That's an incredible shift in temperatures. So for folks across Europe, it doesn't feel like summer is here yet. It will very, very soon this week -- Rosemary?

[02:25:58] CHURCH: Thanks for that rundown and giving us an idea on the background, what's happening in the United States.

(CROSSTALK)

CHURCH: Thank you very much. Appreciate it.

JAVAHERI: Thanks.

CHURCH: Talk to you soon.

American golfer, Dustin Johnson, is this year's champion at the U.S. Open. He played the last few holes with a possible one-stroke penalty looming over him. But he weathered the drama to claim his first major championship.

The Cleveland Cavaliers won their first NBA title Sunday. And they did it before a massive crowd, all the way in China. We'll explain when we come back.

And ISIS has some new enemies online. A look at the hackers trolling the terror group. That's coming up.

(COMMERCIAL BREAK) [02:30:00] CHURCH: A warm welcome back to you all. You're watching CNN NEWSROOM. I'm Rosemary Church.

Want to update you now on the main stories we're been following this hour.

(HEADLINES)

CHURCH: The Cleveland Cavaliers are basketball's new world champions. Lebron James led the Cavs past the defending champions, the Golden State Warriors, in a decisive game seven Sunday night. It's Cleveland's first title in any major sport in 52 years.

It wasn't just Americans who were keeping track of the finals. Chinese fans were glued to their screens, as well, thanks to a savvy business move from a tech giant.

Andrew Stevens reports.

(BEGIN VIDEOTAPE)

ANDREW STEVENS, CNN ASIA-PACIFIC EDITOR (voice-over): You could be sitting courtside at the NBA finals. But in China, the best seat in the house could be anywhere.

This basketball fan is he can, at 9:00 in the morning, on his phone.

UNIDENTIFIED MALE: The team I love, I will watch all of their games.

STEVENS: It makes the morning commute more interesting, not to mention breakfast. But he stops short of watching at work.

UNIDENTIFIED MALE: I'm afraid to do that. My career is more important, I think.

STEVENS: Internet giant Tencent has exclusive digital rights to NBA games across the country. It says the key to success is not just streaming the games but offering a broader engagement in the sport.

This fan can watch the game live, read announcements and chat with friends, all on the platform.

SY LAU, PRESIDENT, ONLINE MEDIA GROUP & SENIOR EXECUTIVE VICE PRESIDENT, TENCENT: We can try to create that magic moment. In other words, whatever a typical fans of NBA experience in the U.S., we want to find a way to transfer that spirit over to our audience in China.

STEVENS: Tencent and other tech companies are locked in an intense battle for content, even if they're not traditional content providers.

Alibaba has a deal with the NFL and world rugby. And tech company Laiko (ph) company has the rights to the English Premier League.

LAU: Content is very important to our current and future strategies. We have social. We have gaming. And of course, media, entertainment, sports, will be the space we will be actively developing. STEVENS: And right now, it's working.

This fan may be supporting the Warriors in the finals, but what keeps him watching all season, is one player.

UNIDENTIFIED MALE: It depends on where Kevin Garnett is. He's my favorite player.

STEVENS: As long as Garnett and the NBA are on Tencent, that's where he will be, as well.

Andrew Stevens, CNN, Hong Kong.

(END VIDEOTAPE)

CHURCH: The United Kingdom is just days away from a pivotal vote. Thursday's referendum will decide whether or not Britain stays in the European Union. Now, teams in London have been following the two sides of the Brexit debate.

Becky Anderson tells us more about the Leave Camp rally in London's old Billingsgate.

(BEGIN VIDEOTAPE)

BECKY ANDERSON, CNN CORRESPONDENT: There are days until British voters are facing a monumental choice, to stay or leave the European Union. Campaigning on both sides got started again on Sunday. The first planned event for the Leave Campaign since the murder of British M.P. Jo Cox began right behind me today. The mood of participants at the rally was muted. Perhaps understandably, given what happened to Jo Cox.

What had been evident in recent weeks was the ratcheting up of the rhetoric, use of decisive language. Its tactic to focus on the highly contentious issue of immigration, using language some have described as vile, brimming with hate.

Headlining the leave rally today was the former mayor of London and leading Brexiteer, Boris Johnson. Recognizing the surprise it may cause, he chose this moment to say he's pro-immigration. "I'm the proud descendant of Turkish immigrants. And let me stun you perhaps by saying I'll go further, I'm not only pro-immigration, I'm pro- immigrants. I'm in favor of an amnesty of illegal immigrants."

That's an attempt to, perhaps, ratchet down the rhetoric that has come to define the Leave Campaign. Possibly so.

So we spoke to some of those who attended the event. This is what they told us.

[02:35:35] UNIDENTIFIED FEMALE: One of the speakers said that Europe, Brussels, is the most corrupt entity in the -- on the planet. And I agree with him. It's totally corrupt.

UNIDENTIFIED MALE: The atmosphere was absolutely electric. UNIDENTIFIED FEMALE: I was involved in the 2014 Umbrella Revolution

in Hong Kong, where we slept in the streets for many, many weeks. Sitting in the U.K. and looking around, people don't care about giving democracy away, even putting it on a plate and hand it over to the E.U.

ANDERSON: Colorful enthusiasm there. But a somber mood, perhaps best reflected in the skies of the British capitol.

Becky Anderson, CNN, London.

(END VIDEOTAPE)

CHURCH: Just across London, the Remain Camp rallied in Hyde Park.

Our Richard Quest was there.

(BEGIN VIDEOTAPE)

RICHARD QUEST, CNN CORRESPONDENT: It was called the big "In" photographic event, bringing together up to 1,000 people in Hyde Park to stand in outline and spell the word, "In," which was photographed in the air, a clear message of those wanting to remain in the European Union.

But before the proceedings got under way, there was a moment of silence to remember Jo Cox, of course, who was murdered last week.

Whether or not there is any connection between the Cox murder and the referendum still hasn't been fully understood. However, both sides accept that the toll of the debate so far has been too nasty and too vitriolic.

And Stanley Johnson whose son, Boris Johnson, is leading the Leave Campaign, Stanley Johnson said it's time to change that.

STANLEY JOHNSON, FATHER OF FORMER MAYOR BORIS JOHNSON: I would like to see us go ahead now and vote to stay in. But this is the crucial point. Make it absolutely clear on some of these key issues like immigration, we're going to go back to Brussels and say, look, the time has come to take another hard look at the free movement rules of the treaty. They cannot, in my view, be sustained the way they are. I'm talking about Article 45. It has to be looked at again. That's another reason to stay in. If we have a unilateral exit, that won't help a lot of people who want to see these changes. I happen to be the optimist who thinks we jump back onboard. We help take control of the direction the ship is going

QUEST: There's still four days before voting and that's plenty of time for the whole thing to degenerate once again into name-calling and insults. The issue here is simply vast.

As Alastair Campbell, the former director of communications for the Labour Party reminded me, for Britain and Europe, the stakes are huge.

ALASTAIR CAMPBELL, FORMER DIRECTOR OF COMMUNICATIONS, LABOUR PARTY: Look at Jo Cox's Twitter feed and look at the things she was saying about the debate. We have to have this argument. We have to have this argument. We have to have this argument, not just about Europe, but also about what sort of country we're in danger of becoming if we turn our backs on the world.

QUEST: Before Jo Cox's murder, the Leave Campaign had eked out a small but consistent lead in all the opinion polls. Both sides now realize that the new tone of the campaign and the time left in which to get the message across means there is very little room for error.

Richard Quest, CNN, Hyde Park, London.

(END VIDEOTAPE)

[02:39:09] CHURCH: Terror group ISIS is getting trolled. A look at the hackers fighting extremists with pornography. That's coming up.

And the streets of Rio will be crowded for the Summer Olympics. The city's petty thieves are ready for the visitors. The one item they're really after. We'll explain when we come back.

(COMMERCIAL BREAK)

CHURCH: Welcome back, everyone. South Korea's National Intelligence Service warns ISIS may be targeting the U.S. military in their country. The NIS says the terror group released information about NATO bases in South Korea and is encouraging attacks on military personnel.

Our Paula Hancocks joins us now with more from Seoul, South Korea.

Paula, what more do we know about this? And how credible might the threats be?

PAULA HANCOCKS, CNN CORRESPONDENT: Rosemary, the NIS thought they were credible enough that they had to make this statement. It's not very usual for the intelligence agency here to be publishing this kind of information. But they say they believe that ISIS has details on 77 U.S. and NATO Air Force facilities around the world, also individuals, and in 21 different countries, including South Korea. They've publicized the details internally on their telegram messaging service. They called on their supporters to carry out attacks against the Air Forces bases and also the individuals. There is one air base in particular that's mentioned here in South Korea, Osan Air Base, which is just about 60 kilometers or 40 miles south of Seoul. Also, NIS has mentioned one individual, a South Korean who is from a welfare organization. They don't say why that person has been individually targeted. They say they are receiving protection at this point. And they have warned the U.S. military here in Korea.

And to show that it could be considered credible -- the U.S. forces in Korea are taking it seriously -- they have issued a statement, saying that, "The U.S. Forces, Korea, takes the safety and security of its installations very seriously." Saying they "remain prepared to respond at any time to any emerging threat" -- Rosemary?

CHURCH: Paula, why South Korea? What are authorities saying about that?

HANCOCKS: The statement seems to say there are installations around the world that are being targeted. South Korea is among those that have been targeted. It is the South Korean intelligence agency saying this.

They also say they have been having a problem with ISIS sympathizers recently. Over the past five years or so, about 50 foreigners have been deported because they had links to terrorist organizations, the NIS believed. They said two South Korean citizens were caught trying to join ISIS. The beginning of last year, there was a teenager that traveled to Turkey, believed to be trying to get into Syria to join ISIS. At this point, authorities, the last we heard, don't know where he is. They assume he could be in Syria.

This is an emerging problem for South Korea. Not on the scale you see in other countries, but a threat that the South Koreans aren't used to. When they think of attack on their soil, they think of North Korea. They don't think of ISIS. But the NIS is pointing out that thought process has to change -- Rosemary?

[02:45:54] CHURCH: Certainly.

Paula Hancocks keeping us up to date on that story. 3:45 in the afternoon there in Seoul, South Korea. Many thanks to you.

ISIS hackers may be targeting foreign militaries, but other hackers are returning the favor. They are trolling the terrorists on social media, with images the extremists find offensive.

"CNN Money's" Laurie Segall has the story.

(BEGIN VIDEOTAPE)

LAURIE SEGALL, CNN MONEY TECHNOLOGY CORRESPONDENT: How long does it take you to successfully take over an ISIS members' account on Twitter?

UNIDENTIFIED HACKER (voice-over): Once I get the information I need, I can be in an account as fast as 60 seconds.

SEGALL: ISIS has been waging a cyber war online. Then there are the folks fighting against ISIS and these guys aren't doing it legally. They're hackers.

One of them I've been talking to for months. He goes by the name Wachula Ghost (ph). That's his alias.

His latest move has been taking down hundreds of ISIS members' Twitter accounts and replacing the account with pornography and Gay Pride memorabilia.

So I'm going to call him up and ask him why he's doing this, and also how easy is it to hack into the Twitter account of an ISIS member.

Hello? UNIDENTIFIED HACKER: Hey, Laurie. How you doing?

SEGALL: What exactly have you been doing with ISIS accounts?

UNIDENTIFIED HACKER: Lately, we started hijacking their accounts, taking over their accounts, basically just to troll them, to annoy them and make fun of them, and take screen shots, phone numbers, I.P. addresses, the whole nine yards. I have all of that information on all the accounts I've ever taken. And we got the idea and there were others that had the idea, also, of spreading porn through the accounts.

SEGALL: So why pornography?

UNIDENTIFIED HACKER: We thought putting the porn, naked images, would offend them. And I'm sure it's offended other Muslims, but that wasn't our goal.

SEGALL: Now that this horrific tragedy has happened in Orlando, you guys have also been putting up Gay Pride messages. Can you talk me through that?

UNIDENTIFIED HACKER: I saw the news, and you know, you had all those people, those innocent lives that were lost, and all the people -- everyone was mourning. And I just felt there was something I could do, so I took their images, their flags, and I left a message on a lot of the accounts in support of Gay Pride.

SEGALL: You don't believe that the government is doing enough? You don't believe that the social networks are doing enough?

UNIDENTIFIED HACKER: If social networks were doing enough, we wouldn't be on there doing what we're doing. I get beheading images, I get threats, we're going to kill you, we're going to do that. And that's great, because they're focusing on me right now, so that means they're not able to do something else.

SEGALL: Why is it so personal to you?

UNIDENTIFIED HACKER: Sometimes, you just have to stand up for what you believe in. If you want change, you have to make that change.

SEGALL: Even if it means doing something illegal?

UNIDENTIFIED HACKER: Even if it means doing something illegal. If the change is for the good, it's got to be done.

(END VIDEOTAPE)

CHURCH: That was "CNN Money's" senior technology correspondent, Laurie Segall, reporting there.

A new concern ahead of the Rio Olympics involving street crimes. Tourists being warned to be on the look-out. What the pickpockets are especially looking for. That's coming up.

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(WEATHER REPORT)

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[02:52:56] CHURCH: Welcome back. The new animated film "Finding Dory" is finding fans just fine. The Disney Pixar sequel to "Finding Nemo" took in $136 million, setting a North American box office record for an animated feature in its opening weekend. Ellen DeGeneres again supplies the voice for the charmingly forgetful fish, Dory.

The summer Olympics in Rio are less than two months away. Brazil is already battling the Zika Virus, political troubles and infrastructure challenges. Now, the country has a new concern in the run-up to the games, street crime.

CNN's Nick Paton Walsh got an inside look at what's being done to keep visitors safe.

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NICK PATON WALSH, CNN SENIOR INTERNATIONAL CORRESPONDENT (voice-over): The 5:00 p.m. rush, sundown empties the beeches, fills rum glasses and streets in Copacabana where Olympic tourists will be lured by volleyball and hot sand. Their phones, jewelry sparkle, a sea of opportunity for this man, one of Rio's army of street robbers.

UNIDENTIFIED STREET ROBBER (through translation): More or less five phones stolen, that's a good work.

PATON WALSH: His crimes aren't sins, he says, just a way to make a living. And the Olympics will be boom time.

UNIDENTIFIED STREET ROBBER (through translation): Very, very busy time. It's going to be good. At the same time, you'll have a lot of tourists, a lot of thieves, as well. With jewelry, watches, people might go to the police station. But when it's just a phone, many don't even go to the police. They get on a ship, on a plane, and they leave.

PATON WALSH: He prefers to work in a pair, approach from behind, and shows me his move while the other partner bumped into my front. He shows us where he immediately takes a stolen phone. He snaps and throws the SIM card, not touching the phone's buttons. It's market, mostly legal resellers, brims with traders hawking very cheap phones on the corner.

UNIDENTIFIED MALE: (SPEAKING FOREIGN LANGUAGE)

PATON WALSH: And some, he says, can wipe and reset a phone for him for about $10.

In fact, one told me they don't need passwords to reset a phone at all. Pedro then sells the clean phone on.

[02:55:19] UNIDENTIFIED STREET ROBBER (through translation): If you get the new launch, a 6S, all of the iPhones are guaranteed money. You don't have it at home for even a day. You can steal it in an hour. Two hours later, you will already have the money in your pocket and it's far away.

PATON WALSH: It's a brazen industry, caught on amateur camera here in the center. Opportunism and thuggery combined. The broken phone, no use here and returned.

Rio police have set up a high-tech CCTV center they hope will encourage people to report crimes and maybe let them see culprits in action. A grainy view of a beautiful city's hardened trade.

(on camera): You do realize you're potentially ruining someone's holiday, right?

UNIDENTIFIED STREET ROBBER (through translation): I don't really think about that because, if I did, no one would do it. When it's time to go and steal, you always think these are the people with more money than those here.

PATON WALSH (voice-over): Pedro's advice to not get robbed by him, put your phone in your front pocket, pay attention when you use it, check it if someone bumps into you.

Now it's up to you to decide if he's left something out.

Nick Paton Walsh, CNN, Rio de Janeiro, Brazil.

(END VIDEOTAPE)

CHURCH: Tourists beware.

I'm Rosemary Church. And I'll have more news for you after the break, including new worries in France after some embarrassing security lapses at the Euro 2016 competition. That and more when we come back.

Stay with us.

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