do, open societies and freedom. who are out to kill plain, innocent people and we have to understand this is a sustained effort. south korea stages a live fire drill to send its own message to north korea after kim jong-un detonates it to date. >> washington issues a stern warning to pyongyang. promising a massive military response to any threat against the u.s. or its allies. warm welcome to our viewers joining us here in the united states and all around the world. we are live in atlanta. i'm rosemary church. >> i'm cyril vanier. it's a pleasure to have you in

the atlanta news room. we'll bring you more north korea in just a moment. first we want to bring you breaking news. cnn has learned president donald trump is expected to end an obama-era program that allows hundreds of thousands of people who arrived in the u.s. illegally as children to study and work in the country without fear of deportation. >> sources tell cnn the administration will give congress six months to come up with legislation to fix the problem -- the program, i should say, and possibly allow the undocumented immigrants to remain in the united states. now, mr. trump's decision won't be final until announced. that's expected on tuesday. the program is known as daca. that's shorthand for deferred action for childhood arrivals. these people are also known as dreamers. to qualify, they must have arrived in the united states before turning 16 and be under age 31 as of june 15, 2012.

they also must have no felony convictions. >> a study estimates there are nearly 800,000 participants in daca. losing them could cost employers $2 billion. the u.s. gdp might take a hit of $280 billion over the course of ten years. steven e rchltdlinger joins us from london. if the elimination of daca is going to cost employers $2 billion and if gdp could lose $280 billion, why get rid of it? what is driving this? >> well -- the administration to show it is tough on migrants. trump still talks about building the wall. they're building prototypes of the wall. its not clear who's going to pay for it or why. they're talking about attaching funding to it of raising the

national debt ceiling. this is about politics. >> and if this does go through and the daca program is ended on tuesday, what will that likely mean for the nearly 800,000 people or so who are affected? >> well, i think it will probably get challenged in the courts. it will probably happen right away. it goes to the idea of america. it will be harmful to these people. there's no question. but the other question is, will it be harmful to the image of the united states abroad, as the country of refuge, that welcomes immigrants, that if you work hard and -- >> all right. we are having problems,

unfortunately, with the audio. being joined from austria. we will try to return to this. thank you so much. let's get you the latest on the korean peninsula. south korea is responding to north korea's claimed hydrogen bomb test with its own show of force. defense officials say they were meant to send a message they can wipe out seoul's leadership. this ominous message from u.s. president donald trump just as he was leaving church on sunday. >> mr. president, will you attack north korea? >> we'll see. >> the u.s. president met with u.s. secretary james mattis, briefed reporters and said the u.s. had many options to deal with inconorth korea. take a listen. >> we have many military options and the president wanted to be briefed on each one of them.

we made clear we have the ability to defend ourselves and our allies, south korea and japan. from any attacks and our commitments among the allies are iron clad. any threat to the united states or its territories including guam or our allies will be met with a massive military response. a response both effective and overwhelming. >> cnn is covering north korea's latest nuclear threat from across the globe. our ian lee is in seoul, south korea. mike chinoy, senior fellow at u.s./china institute is in hong kong. and athena jones is in washington. what's the latest? >> the president and his national security team, the president convened that team here at the white house earlier on sunday to discuss the situation and the u.s.'s military options. he sent out a series of tweets

starting early sunday morning, blasting north korea, saying their words and actions stn to be very hostile and dangerous to the united states. saying the country has become, quote, a great threat and embarrassment to china, which is trying to help but with little success. the president also tweeted about a potential economic retaliation, writing, the united states is considering in addition to other optionings stopping all trade with any country doing business with north korea. one potential problem with that approach is north korea's main patron and trading partner is china. china accounts for 90% of north korea's trade. china is also one of the u.s.'s biggest trading partners and cutting off that relationship would have huge ramifications. so, that is a very intense

threat there. the president put out the latest readout of the president's call with shinzo abe. they continue destabilizing. the leaders confirmed their iron clad mutual defense commitments. the statement says president trump reaffirmed the u.s.'s commitment to, quoted, defending our homeland territories and allies using the full range of diplomatic, conventional and nuclear capabilities at our disposal. a strong statement from the white house there. the goal of all of this, of course, is to further isolate north korea to try to pressure them to end their nuclear ambitions. so far nothing has worked. tough talk hasn't worked. economic sanctions haven't worked. we could hear about both of those at the emergency meeting of the united nations security council convening on monday. we'll be watching to see what comes out of that meeting. back to you. >> many thanks to atheen that jones. cnn's ian lee is in south

korea's capital with the reaction. what's been interesting is the way donald trump has south korea in the midst of all that. how is that being received in seoul? >> yeah, he basically accused president moon of appeasement to north korea. and that derives from early in president moon's administration when he talked softer on north korea, diplomacy, dialogue, wanting to settle their differences that way. but he inherited a different government -- a different atmosphere, a different situation from his predecessor where you had north korea who is defind about their nuclear program. you have donald trump still talking tough. so, we've seen him go from -- president moon go from talking about dialogue to a show of -- a strong show of force. we saw that earlier today when south korea carried out military

exercises. they tested ballistic missiles as well as air-to-surface missiles from their f-15s. they said that these tests, these exercises, where to demonstrate they could go after the region of north korea where their nuclear program is based. they also said these tests were designed to show they could go after the north korean leadership. you are hearing a very strong president moon now and coming out very forcefully trying to rally around his allies in the region as well. he's been talking with prime minister abe of japan they've been in close contact with the united states. really you have this two-pronged approach with the military exercises as well as trying to rally the international community to put more pressure on north korea through diplomatic and economic isolation. >> ian lee with reaction from

seoul. >> let's bring in andrew stevens who is at the brics summit in xaimen. the president trump is considering stopping all trade with any country doing business with north korea. how realistic is this? we're talking hundreds of billions of dollars of trade. >> we are, indeed, talking about an enormous amount of money. it is going to have ramifications not just for the u.s. and china but pretty much everywhere. most of the commentary so far has been that if donald trump carried that out, it would lead to a spiraling recession across the globe. that would include the world's biggest economy, the usa. so, it is something of a sort of -- a goal, if you like. this trade relationship between

china and the u.s. is worth bilaterally around $583 billion. of that about $120 billion worth of u.s. goods goes to china. so, we are talking about u.s. soybeans, cotton, airplanes, airplane parts, car parts, you name it, there's a lot of stuff going from the states to china. there's more coming back the other way. but even sew, there is potential for an enormous amount of damage to have been inflicted on u.s. producers as well. so, one comment today was that this wasn't even in the realm of plausibility, this sort of idea. but it's interesting, here i am in xaimen, as you say, and we've listened to president xi jinping, the chinese leader once again speaking publicly. this is the second time president xi has spoken publicly in two days at the brics summit.

once again, he did not reference north korea. the chinese are still keeping a low profile. but they have said in a different context through the ministry of foreign affairs, through their website, that they strongly condemn the action by north korea and they remain committed to a denuclearized korean peninsula. president xi met with vladimir putin on the sidelines of this brics summit last night. they also reiterated their strong desire for a denuclearized korean peninsula. as yet, china is not ramping up the rhetoric. what it said, it has continued to say for some time now, what comes out of the u.n., the emergency session will be interesting. if there are further sanctions, china will be asked to play its part there. china has said that it is comprehensively and completely implementing u.n. sanctions as it goes. and if it continues that way, we would see more chinese action in

the form of sanctions. but nothing else at this stage. at least no indication from china at this stage. >> of course, we'll take a close look at what does come out of that u.n. emergency security council meeting. that's still a few hours away. andrew stevens in xaimen, china. let's go to mike chinoy in hong kong. he's now a senior felle low with the u.s./china institute at university of southern california and the author of the book "meltdown:inside the north korean nuclear crisis." it seems like north korea deliberately timed this to embarrass their ally, china. just how far might china go? >> i think that's really one of the key questions, is this sort of provocation of such an extreme nature that the chinese

really feel compelled to take the kinds of actions they have so far been very reluctant to do. in particular, will chinese cut off supplies of fuel, which includes aviation fuel to north korea. so far the chinese have expressed their anger at the attack. but it's interesting. if you compare, for example, the degree of chinese indignation targeted at north korea over this test or, for example, several of the more recent missile tests, if you compare that with how angry the chinese have been towards south korea for agreeing to the deployment of the u.s. deployment antimissile system, thaad, there's no comparison. they called in the chinese ambassador, the boycott of south korean companies doing business in china that the chinese curtailed tourism to south korea. we haven't seen anything remotely like that sort of indignation targeted at north

korea. so that indicates to me if china will do something more, they're simply not ready to budge from their core position which is they're more endangered by pressuring north korea to the point it generates instability or puts kim jong-un's back against the wall so he lashes out. therefore, they're prepared to sort of live with a nuclear north korea and not do the kind of things the united states wants them to do. >> certainly the approach to north korea and his threat to deny any trade to a country doing business with north korea, how might this help or hinder this effort to somehow stop or control north korea's nuclear ambitions here? >> to be honest, it suggests president trump is fundamentally serious when it comes to addressing this issue. the u.s./south korea alliance is absolutely crucial. at this point with south korea

in the firing line, and tensions at a high, for the united states president to belittle the south korean president and threaten to withdraw from the u.s./south korean trade agreement will just undermine confidence about the united states in south korea. the north korean, one of their strategic goals has been for many, many years to drive a wedge between south korea and the united states, to undermine that alings because that strengthens north korea's position on the northern peninsula. with his statements, president trump has helped north korea in seeing that process accelerate. it seems to me the kind of statements we saw from defense secretary mattis, very clear, very blunt, very level-headed, are quite different in tone. i don't think what president trump has been saying so far has done anything other than make a bad situation worse.

>> mike, always good talk with and you get your analysis. appreciate it. thank you. we'lle take a short break. when we come back, the floodwaters are receding in parts of texas. the toxic threats are floating to the surface. we'll find out what's in the water. plus, more on the reports that president trump wants to ends a program that allows thousands of young, undocumented immigrants to work in the u.s. what lawmakers are saying about it. that's still to come. and america's last line of defense against attack. an exclusive visit to the remote land that hides a powerful secret underground.

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at least 13 toxic waste sites in texas have been flooded or damaged by hurricane harvey. the environmental protection agency, the epa, says it hasn't been able to safely access the sites but it will do so as soon as floodwaters recede. some sites may have leaked petro chemicals, acids, solve ants into the floodwaters. >> houston's mayor says his city is 95% dry and mostly operational. many businesses are expected to reopen on tuesday following the u.s. labor day holiday. the storm killed at least 53 people and caused more than $100 billion in damages. >> the population size and

geographic size is far larger than katrina and i think sandy combined. we have over 5 million people who are affected by this. it's not just the flooding in houston. it's the hurricane swath from corpus christi over to beaumont. it's going to require even more than what was funded for katrina, which was about $120 billion. >> people throughout southeast texas are returning to their homes to see the damage harvey caused. one woman in houston got a welcome surprise amid all the devastation. here's cnn's rosa flores, who was right there. >> reporter: authorities say they conducted more than 36,000 rescues. that doesn't include good sa mayor tsa mayor tins helping others. we caught up with one woman who was rescued by her neighbors and our cameras were rolling when she reunited with her rescuer. >> the house right across the street. those are the people who came

and got me out of the water. my son couldn't come get me. and they don't even know how to speak english, butter necessi td got mre. i want to thank them. i called for help and they couldn't get to me. but that young man said, don't worry, mommy, i got you. he didn't even know me. he didn't know my name. he push med on the walker from here all the way five blocks in the water, way up to his neck. on my neck at the same time. this is my hero right here. this is my hero. i appreciate you so much. you didn't have to do it but you did. i appreciate you so much. [ applause ] when they went -- when i fell in the water, his baby say, i'm so

sorry, she's 4 years old, mommy, we didn't want to hurt you. thank you for looking out for me and they brought me to my pastor house. that's the only way i was able to get out of this water. w [ speaking foreign language ] >> he says everyone is family. it doesn't matter what race you are. he says everyone is family. >> reporter: take a look at these pictures. this is what that neighborhood looked like during the storm. we should also add that javier was trying to take his pregnant wife and three daughters to safe. rosa flores, cnn, houston. >> that is one powerful story. nfl star j.j. watt says he hopes to reach $20 million in donations for people affected by hurricane harvey. the houston texans' defensive end joined with teammates and volunteers to pass out relief supplies on sunday.

>> ten truckloads of food, water, clothing and cleaning materials were all donated. watt says not a single dollar of $17 million raised so far has been spent. >> i can't say thank you enough to the people around the world, the people of america, the people of texas showing their compassion, showing when there are difficult times, humans step up to help other humans. i can't say thank you enough to them. i hope everyone in the world gets a chance to see this and understand how much we appreciate it. >> watt says more than 150,000 people from around the world have donated to his fund-raiser. >> another powerful story right there. we'll take a short break. still to come, south korea takes action with an exercise of force after north korea detonates its most powerful nuclear bomb yet. plus, reports are saying president donald trump wants to end the daca immigration program. what this means for thousands of young undocumented immigrants working and studying in the u.s.

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options after the claimed hi hydrogen bomb test by north korea. secretary mattis says president trump wants to be briefed on all military responses. on twitter earlier, mr. trump said the u.s. might stop trade with countries doing business with north korea. south korea is responding to north korea's latest and most powerful nuclear weapons test with ballistic missiles and other drills. the show of force included surface-to-surface and long-range air-to-ground missiles which the military says accurately hit their targets off south korea's east coast. seoul also says further responses are coming. >> cnn has learned that president trump is expected to end an obama-era program that allows hundreds of thousands of people who arrived in the u.s. illinois legally as children to study and work in the country without fear of deportation. sources say mr. trump is giving congress six months to come up with legislation to replace the program known as deferred action for childhood arrivals, or daca.

the decision won't be final until announced and that is expected tuesday. the governor of california has issued a state of emergency for the los angeles area due to an ongoing brush fire. it's consumed 7,000 acres since friday. officials say the fire is now 30% contained. let's get your recap of the news out of the korean peninsula. south korea is responding to north korea's latest test with a barrage of missiles. they are meant to send a message that seoul is willing to wipe out north korea's leadership and nuclear test site. >> a meeting of the brics country is under way in xaimen, china. leaders from bra zishlgs russia, china, and south africa are attending. all eyes will be on chinese president xi jinping and russian president vladimir putin to see how they might further respond

to the latest developments in north korea. for more on north korea's claimed test of the hydrogen bomb, we're joined from vienna, austria, secretary of the test ban treaty organization. thank you so much for coming on again. we spoke to you yesterday shortly after a tremor was felt. you have sensors that allows to get a good look. you can tell us how strong the detonation was. >> yesterday as mentioned, we had one of the biggest tremor ever recorded by our international monitoring system. we are talking magnitude of 6, the highest ever recorded. and this is a clear indication that the program -- the nuclear weapon program in north korea is reaching a completely different level. >> in terms of magnitude, how

does that compare with the previous test, the fifth nuclear test? >> today we talk about magnitude this morning of about 6. the 2016 one a year ago we talk about 5.1. we talk about 0.9. you talk about a factor of ten every time you take one magnitude unit. that's pretty serious. >> so people understand what this means, how strong is this? how powerful? how much devastation ask does something like this cause if it is used in the real world? >> if it's used in the real world, i think we're talking today f we compare this type of detonation from what happened in hiroshima or nagasaki more than 70 years ago, we're talking in order of magnitude going -- let's say 400 times. that's what you're looking at, roughly. >> there were two events yesterday. i wanted to you clarify that now

that you've had 24 hours to look at. there was a tremor and then some sort of collapse. >> yeah. i think we had 8:30 after the first glast, we had a second event. we had a good look at it until this morning. we're looking at more of -- it's likely this is a second explosion. we're talking about tech tonic release, pressure that is coming gee logically rather than something induced by an explosive. >> are you in a position to confirm a hydrogen bomb was tested. that was the claim by north korea. japan believes for its part that is what has happened. we haven't had a confirmation from the u.s. or south korea. >> this confirmation comes from a body like the comprehensive test organization. we try to give technical specificses that are trust-worthy, unbiased and for them to draw the conclusion. however, we talk about the

magnitude that is unprecedented and that clearly indicates the program has reached a different level. >> give me your political outlook now. obviously, you are involved in trying to limit nuclear weapons on either and nuclear programs on earth. >> yeah, that's -- i mean, we would hope that the treaty that we're working for, that this international monitoring system is designed for, the verification regime, we would have hoped the treaty was in force now. it was signed in 1996 hoping it would be in force in three years. we're now more than 20 years down the line. we have a treaty in force with to room for testing. we have a treaty in force with no violation to the treaty will

induce a process for law enforcement under the executive council of the organization, that is the comprehensive test treaty. >> i can't let you go before asking you this. what precedent do you think this is setting? what message do you think this is sending to other countries who see north korea making progress on the path to a nuclear weapon? and who may be tempted to follow suit? >> that's wrong message. i think we have -- it's about time that we stop this escalation with north korea because if north korea continues progressing in the development of nuclear weapon, we're giving, i'll use the word hope, to countries that might have this ambition. but we're working under the nonproliferation treaty that has been serious. north korea is only country in 21st century, it is my hope multilateral diplomacy will prevail and we can stop them as soon as possible. this should be seen as the last wake-up call to stop this

endeavor by north korea so that no other country will try explosive testing towards the buildup of nuclear weapon. >> coming to you from vienna austria, lassina from the comprehensive nuclear test ban treaty organization. thank you so much. >> thank you. >>. a north korean nuclear test has the u.s. reviewing its military operations. a battery of interceptor missile stands ready should a hostile power try to attack the u.s. we traveled to alaska for a look at america's last line of defense. >> reporter: this is america's final shield, the last and only protection against an incoming north korean nuclear missile. housed deep underground in the heart of alaska's wilderness, ft. greely, the heavily armed 49th missile defense battalion

secures 38 missile silos, dotting a landscape frigid in summer. the tip barely revealing what's underneath. we're allowed access to gbis. >> this is what would be launched out of ft. greely to intercept any threat to the homeland. >> the key piece of equipment is right here. >> the kill vehicle is right there towards the top. ♪ >> reporter: the kill vehicle, to take down any potential intercontinental ballistic missile coming to the u.s., including from north korea, which the u.s. could face in the future. here's how it works. north korea launches -- >> impact location is los angeles. we are engaging this threat at this time. >> reporter: instantly activating a secured room in ft. greely. what you're seeing now is a drill, declassified so we can show you generally how the ground base interceptors work to

protect the u.s. >> roger. >> as the alarms would go off, what you'd see is those white shells you see behind us would separate extremely quickly and then immediately you'd see a flash of flame as that gbi would leave the tube at an incredible rate of speed. >> reporter: if this works, the interceptor kills the incoming nuclear weapon. >> we train to shoot a bullet at a bullet and destroy it so it doesn't destroy us. >> have the drills this year taken on a new meaning? >> what that does is it just makes it more real for us because now i've got a leader of a foreign country who says i'm going to take my missile and kill your citizens with it. >> what kind of confidence do you have if north korea launches a missile this system will work? >> i have 100% confidence this system will work. >> that's despite a 60% success rate. out of 18 test launches, the

interceptors have only struck its target ten times in controlled launches. >> just because we've had some failures doesn't mean we're not learning. >> reporter: alaska senator dan sullivan believes the interceptors are still america's best shot as a last defense. as north korea rapidly moves closer to being able to strike the u.s. mainland. introducing a bill, boosting the number of missiles to 7, studying the possibility of 100 missile interceptors. so far a cost of $40 billion to taxpayers. >> doing nothing in the face of this threat, when we clearly have the capability to make sure we have a very protected homeland is not an acceptable option. i think most americans would agree with me on that. >> what about the argument north korea will never actually fire a missile, that this is just for it to gain a bargaining chip? senator sullivan says the flaw in that thinking is that it assumes that kim jong-un is rational. he calls it expensive but a

necessary insurance policy. cnn, los angeles. coming up after the break, reports say donald trump is expected to end a program that allows young undocumented immigrants to work and study in the united states. we'll have reactions from u.s. lawmakers. you don't let anything lkeep you sidelined. come on! that's why you drink ensure. with 9 grams of protein, and 26 vitamins and minerals... for the strength and energy, to get back to doing what you love. ensure, always be you. s'cuse me. mind if i sit here? not if you want your phone to work. let me guess, can't livestream your lobster roll. and my mobile pay isn't connecting and i just got an unlimited plan. right plan, wrong network. you see, verizon has america's largest, most reliable 4g lte network and now unlimited plans start at $40 per line, you know what i'm saying? oh, this is your seat. definitely. yep. just tucking it in. i wasn't gonna pull it out. introducing unlimited for all. all the data you want on the network you want.

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welcome back, everyone. u.s. lawmakers are reacting to reports that u.s. president donald trump is expected to end the obama-era program known as daca that protects hundreds of thousands of young, undocumented immigrants from deportation. sources tell cnn that mr. trump will give congress six months to fix daca. u.s. democratic congressman jimmy panetta tweeted this, congress, republicans and democrats, must act immediately to protect d.r.e.a.m.ers, young men and women who contribute to our community and country. >> this is what independence bernie sanders tweeted. if trump decides to end daca, it will be one of the ugliest and cruellest decisions ever made by a president in history. dianne feinstein tweeted this. there are more daca recipients

in california than any other state. we stand with them. we have their backs. >> trump did the has made controversial statements on daca in the past. he tried to assure those under the so-called d.r.e.a.m.ers program saying it was a difficult subject. >> daca is a very, very difficult subject for me, i will tell you. to me, it's one of the most difficult subjects i have because you have these incredible kids, in many cases. not in all cases. in some of the cases, they're having daca, they're gang members and drug dealers, too, but you have some absolutely incredible kids. i would say mostly. they were brought here in such a way. it's a very, very tough subject. we'll deal with request daca with heart. >> joining me is cnn political analyst and presidential historian at princeton university, julian zeller. how do you read this news? do you read this as the end of daca or a way to force congress to find a solution to it?

>> i think president trump has been very hostile to daca in the campaign, in the early months of his presidency. many members of the republican caucus and house have been dead set against this program. i don't think president trump is looking for this to be fixed or restored. i think this is a program that president trump is happy to see go away and it's a way to real appeal to some of his core supporters who have seen his anti-immigration stance as a defining part of his presidency. >> but he does seem, based on the public signals and his own words on this, he does seem conflicted about this. the president reportedly president wants to act with heart. he says we love d.r.e.a.m.ers. his press secretary has echoed that saying the president loves people. which is is a strange quote but she said that a few days ago. what is the psychology of president trump on this issue? >> i think it's hard to see those words as credible.

i think for many americans certainly who are watching those kinds of statements, they see a president who might not want to appear as harsh as some think he is or trying to soften his image but he's been really consistent when he talks about public policy. he opened his presidential campaign talk, about immigrants and the threat they pose. he has never been open to any kind of immigration reform. and daca, which is a pretty popular program. it's been in both parties. is not something that he had to move forward in terms of eliminating. so, i don't think the words of kindness and the words of sympathy carry much weight given the record he has put forth. >> is mr. trump acting under duress here? a number of states have set an ultimatum for him to respond on the daca program or else they would challenge it in the courts.

>> he's not acting under duress but also willingly. i think this is a deadline he's happy to have. this created a circumstance for him to move forward with something he and his advisers understand is controversial. so, don't think he's unhappy about how this all unfolded. >> cnn political analyst, thank you very much. >> thank you. still to come on "cnn newsroom" -- fire fights as they battle the largest fire in los angeles history. the latest on the conditions there. we're back in just a moment.

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allergytry new xyzal®.ou have symptoms like these for relief is as effective at hour 24 as hour one. so be wise all take new xyzal®. welcome back, everyone. the governor of california has issued a state of emergency for the los angeles area due to an ongoing prush fire. the blaze is now the largest any country has seen consuming more than 7,000 acres. >> more than 1000 firefighters are battling the flames. it started friday and spread quickly due to the hot

temperatures and high winds. >> we're seeing one of the hottest stretches we've seen across this' june of kansas. we know the fire weather exacerbated but the elevated terrain across this la tuna c cany canyon. we want to break down what we're talking about because fire and terrain play hand in hand when it comes to the way they spread. when we have a 20 degree slope and winds are blowing 20 miles an hour, increasing that slope 10 degrees increases the fire speed, it's going from 20 miles per hour to 40 miles per hour. also, you can pick up embers from these hilltops transport

them downstream so it becomes a difficult proposition for firefighters we know 12,000 of them are working around the region. the record temperatures still in store. about 19 records expected across this region on monday alone. rainfall, there is a tropical disturbance moving off of mexico that has brought a tenth of an inch or a couple millimeters of rainfall. these storms bring gusty winds but a half an inch of rainfall can stop the wild fires. increase that a couple inches and we can extinguish flames. a lot of people playing close attention to hurricane irma slated to be a category 4. and models in pretty good agreement the storm system may

retain that status for the foreseeable future. we think late this week, friday to saturday the baja mas, the the model agreement is run to run consistency of how these models want to focus. and the most recent run brings them farther to the south, that could impact cuba. but the concern is if this enters the gulf of mexico that is fair game for anyone in the gulf of mexico states. that is something we're watching closely for this weekend. >> that wraps up this hour of cnn, i'm rosemary church. >> i'm cyril vanier, the news continues right after this. oh man, that's pretty intense. look no further than chevrolet. this is a fast car. i feel like i left my soul back there. wow. this has power! head to the chevy labor day sales event and ride out the summer in a new chevrolet. now use labor day bonus cash

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>> south korea holding a live fire military exercise, a day after north korea tested its biggest hydrogen bomb to date. we are live in seoul with the very latest. >> in the united states, president trump is suspected to end a program that protects undocumented immigrants who came to america as children. what this could mean for the nearly 800,000 people currently in the program. >> welcome to our viewers in the united states and all around the world. i'm