the engineer driving the derailed amtrak train said he couldn't recall how fast he was going. but officials say it was more than double the speed limit. >> and dozens of people killed in the philippines with very few survivors after an inferno engulfed a shoe factory. plus as the death toll rises in nepal, survivors of the earthquake say they're too afraid to go back to their homes. hello, i'm rosemary church. welcome to our viewers here in

the united states and all around the world. thank you for joining us. this is "cnn newsroom." it is 2:00 a.m. in philadelphia where investigators say an amtrak train was going twice the speed limit when it derailed killing seven people. they say the engineer applied the emergency brakes at the last minute. but it couldn't stop the train from going off the tracks tuesday night. also, that particular stretch of track was not equipped with an automated speed control system which some say might have prevented the train from going too fast around the curve. the train's engineer 32-year-old brandon bos tichlt an told police he could not recall how fast the train was going when it crashed. with the focus on the train's

speed. investigators will determine if it was human error or maybe a mechanical problem. cnn's jason carol reports from philadelphia. >> reporter: the mangled wreckage strewn on the tracks, the data recorder recovered from the first car has already revealed the train was traveling at least twice as fast as it should have been. 106 miles per hour. as it entered the corner where it derailed late tuesday. just moments before the derailment, the train was placed into engineer induced braking and this means that the engineer applied full emergency, full emergency brake application. the train was traveling at approximately 106 miles per hour. three second later when the data to the recorders terminated, the train speed was 102 miles per hour. >> reporter: the train scheduled to leave philadelphia's union

station at 9:10 tuesday night derailed ten minutes later at 9:21. passengers say it felt like the train was going too fast as it headed into a left hand turn then chaos. >> they were thrown out of their seats. one girl slammed into, one of the seats. and there were a lot of fractures, you know, arms, shoulders, all kind of fractures. >> i could see the blood on people's faces. they can't move. and, their knees were out. it was -- so i just tried to do my best to help people get out of that car. it was smoking. >> reporter: surveillance video shows a flash the moment of the crash, mary roe lives near the site and initially thought the bright light was lightning. >> my entire room lit up it was that bright. took the dog and myself and got out of the house. >> reporter: many questions about the train's speed as it headed into the curve. an area called the frankfurt junction.

locals call the frankfurt junction a notorious curve out here on the rails. the speed limit in this area just 15 miles per hour. at least seven people killed in the crash including u.s. naval academy midshipman, and an associated press video software architect. he was 4. hospitals treated more than 200 people. many of them hurt when other people or objects fell on top of them. >> this huge red suitcase came flying at me. our train was actually on its side. so it pushed me on to the side of the train. and it hit my chest. i think i have a few fractured ribs. >> cnn's jason carol reporting thchlt i want to bring in cnn's samuel burke, live at the crash site and has the very latest for us. samuel, it is just after 2:00 in the morning there in philadelphia. talk to us about what its happening at the crash site at this early hour. tell us also, about the removal

of these cars, most of the train cars have been removed from the crash site haven't they? what do investigators hope to learn from combing through the wreckage? >> rosemary, the investigation is going on late into the night. you can see from the lights behind me. they're combing through the crash site. we see from aerial photos they have just a couple of train cars left. two of the seven, it looks like. and ntsb officials, national transportation safety board tells us that they're removing the train cars and taking them to a secure location where they can review them. but it is interesting to see what type of information they have already gleaned from them. we actually know the train was going 106 miles an hour. not from the data recorder, so-called black box, but actually from the positions and angles of the cars. so it is really incredible the amount of information they have already gotten. and what they're going to get from these train cars. >> with speed now seen as the main factor in this crash.

the focus is very much on the engineer, brandon bostian, what all are we learning about him and what he has, what has he said so far? a lot of the passengers suspect he was going fast because he was trying to make up for the fact that this train left late from the station, going from washington, d.c. to new york. passing through here. in philadelphia where it derailed. and we do know he tried to put the brakes on at the very last minute. it was too late. he speoke to authorities yesterday. today when they tried to speak to him. he left with his lawyer. brandon bostian, lives in new york, had a decade of experience. worked with them 2006, c conductor. and now what the ntsb wants to do. speak to him. they will speak to him and five other crew members within the

next 24 hours, rosemary. >> samuel, we know the train's black box has been found. that of course will answer a lot of questions. but police are also in the process of getting a search warrant for bostian's phone records. what all might those record reveal? >> well, no matter what it is, whether it is a missing airliner, crashed airliner or in this case a train, cell phones can glean so much information. they want that so they can look at it and see if possibly he was text messaging or distracted at the very last moment. that's why this train was still speeding. so, those type of things can be crucial in these type of investigations now a days. >> samuel burke, reporting there, live from the crash scene. we will actually come back to you within this hour, samuel, so do stand by. we'll talk to you then. >> well for one passenger, trips on amtrak are a regular part of her life. she was asleep on board when the train derailed. and she described the frightening moments when she

awoke to our gary tuchman. >> carol sisel spent the night in a philadelphia hospital. she spent the day grateful to be alive. >> i don't know what was going to happen. >> reporter: carol boarded in new carolton, maryland after visiting her daughter, son-in-law and first grandchild who turned one. heading back hem to new jersey. a train trip this newly ordained minister has made every week since her grandson was born. >> started out routine. a regular tuesday night. i got on the train. got my seat in the quiet car. took out my yogurt. opened my ipad. and for quite a while it was a regular ride. then it just went crazy. >> reporter: she had fallen asleep in the third car when a jolt woke her up. then a loud noise. and then -- it felt like the train fell off a cliff. >> we were upside down, and sliding. people were screaming. and it was incredibly awful. just, just -- they're not

supposed to go upside down. when it fell, there was yelling, like, no. oh. and then it was really, really quiet. it just, like all of the noise stopped. real quite. and then people realized they were really hurt. and it was panned poen yum. >> carol's head was hit from the impact. a doctor would ultimately tell her she suffered a concussion. but other people in her car and her row were hurt much worse. >> i tried to get up. and i had pushed off the lady that was next to me. she said don't it hurts. and some how i was able to get my feet out. and amazingly, like i stood up. and i looked around. and someone said i have a phone. i found a phone. there is a picture of a baby on the phone. it was my phone. >> your grandson. >> my grandson. yeah. >> reporter: carol took her phone and called her daughter from yvonne from the train.

>> i was shocked. she said it rolled over. it flipped over. it rolled over. it flipped over. it was to the point to get out we went up and out a window. so the windows were above us to get out of the car. it was all most all the way upside down. >> reporter: carol helped a pregnant woman get out, and wish she's could have helped others but they were stuck in the wreckage. she doesn't know what happened to the seriously injured woman next to her. >> they're not supposed to turn upside down. and when you look back at it, it's amazing that you walked away. >> reporter: gary tuc hfltman, cnn, philadelphia. >> authorities are not ruling out the possibility of finding more victims at that crash site. five of the seven people killed have been identified. 20-year-old justin was a midshipman at the u.s. naval academy. heading home to new york to visit his family. 48-year-old jim gaines worked for the associated press,

survived by his wife and two children. rachel jacobs, the chief executive of a small tech company, leaves behind a husband and a 2-year-old son. and a senior vice president of wells fargo's hospitality finance group. and derek griffith was the dean of student affairs in new york, he is survived by his son. some families are still waiting for word on relatives. among the missing. robert gildersleeve, a sales executive who lives outside of baltimore with his wife and two teenage children. philadelphia's baseball team is paying tribute to the victims of the derailment. the phillies held a moment of silence before the game wednesday night and tweeted this photo. their stadium is 8 miles, or 12 kilometers from the crash site. the state and city flag were flown at half staff for the

game. coming up, a transportation official says this crash could have been prevented if a certain technology system had been installed on that track. out of 42 vehicles, based on 6 different criteria, why did a panel of 11 automotive experts, name the volkswagen golf motor trend's 2015 car of the year? we'll give you four good reasons. the volkswagen golf. starting at $19,295, there's an award-winning golf for everyone. iand quit a lot,t but ended up nowhere. now i use this. the nicoderm cq patch, with unique extended release technology, helps prevent the urge to smoke all day. i want this time to be my last time. that's why i choose nicoderm cq.

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>> welcome back, everyone. investigators are still combing through the mangled wreckage of tuesday's commuter train derailment in philadelphia. searching for answers. and now some experts are wondering if a certain type of technology could have prevented the crash. it is called a positive train control. but the system wasn't installed on this stretch of track. the system combines gps, wireless radio, and computers to monitor trains. it can prevent trains from colliding, derailing or speeding by stopping or slowing the train.

still many railroads have opposed using it because it is expensive. typically costing billions of dollars to n stainstall. one top official says it is worth the price. >> well it is expensive. but there are technologicaler use that need to be resolved. we at ntsb feel like the system is mature and ready to be installed. most of the railroads are moving forward with it. but, most of the railroads, freight railroads say they're not going to be able to make that statutory deadline. it is something that the ntsb has called for, for a long, long time. been on our most wanted list for a long time. we feel it need to be implemented because it will prevent the very top of accident we are talking about here. a year and a half ago. up in the bronx, there was ant accident where a commuter rail went around a, a curve, too fast. it derailed. and claimed four lives.

ptc would have prevented that accident. by the same token it would have prevented the accident that we are here to investigate. we think it's time to have it implemented. >> robert sumwald there. the big question -- how did this train ride, routine for so many people, end so violently. cnn's tom foreman looks at how the speed could have played a role in the crash. >> reporter: there was a reason investigators knew to look at speed from the beginning. started with things like this, surveillance video. if you look at the train rushing by up there, you know the length of the like mow tichlt you can pick a fixed point and calculate the speed of that train. and that told us right away it was going much faster than it should have been going, just 200 yard short of the crash site. why does that matter in the big equation? bring in a motd of the train and talk about that. the locomotive on a train is extremely heavy, 97 metric tons.

pushing up toward a quarter million pound. if it is traveling at 50 miles an hour as it should be. all of the physics here will cause some outward force towards the outside of that curve, not a tremendous amount. push it up to 100 miles an hour or more. that force becomes much greater. now, center of gravity is lower. and it will stay on the tracks. not so much the case back there. the center of gravity is different back here. the weights are different. weight distribution is different. that's why some passengers say they felt as if the car started flying up off the tracks. we know that can happen because we saw it happen in spain. when this train crash occurred. the train was supposed to be going 50 miles an hour. instead going over 100. watch how it slings passenger cars off behind it. then they pull the locomotive off behind them. this is why investigators knew to look at excessive speed. it is something that they have seen before. >> tom foreman with that report.

we have more details of course, emerging now about the derailment, from passengers who survived it. gabby rudi, a college student heading home to new jersey from washington. she described the scene to our don lemon. >> the person behind me lost an arm, unfortunately, and -- a lot of the women in front of me were bleeding from their heads. that's about it that i saw on the train. but at the hospital, there were a lot of very seriously injured people unfortunately. >> my goodness. we saw some of the video coming in last night and today where they were saying, move forward. come this way. keep walking. keep walking. but was there confusion gabby at all about how get out of the train and what to do? any confusion? at sfirst tfirst the train flip. the train filled with gas. people were yelling we were on a

bridge. obviously there was a huge state of panic that we were going to fall into some water. so everyone was just sprinting towards the door. some one managed to force the door open a little. a lot of us left through the window. >> uh-huh. so you left through the window. what happened when you got out through that window? we were told t everyone was screaming another train might come along. we were told to run as far as you could from the train. we had to run through some woods. i was on the phone with 911, running through the woods. and we all, well, a lot of the people on my car, i was in the last car, made it safely over the second set of train tracks into this little area where i could call 911. everyone was just helping each other. the last, the less wounded were helping more severely wounded. we were just trying to describe our location to the 911 dispatch sorry they could get to us as soon as possible. >> incredible. shocking details there. and as investigators seek ans ears but what caused this deadly

crash, the united states commuter rail system is being called into question. cnn's suzanne malvo takes a look at other crashes that have made headlines in the country. >> reporter: tuesday's amtrak crash is just the latest in a string of horrifying accidents on u.s. rails. according to the federal railroad administration, on average there have been 31 amtrak train derailments a year, of varying degrees since 2006. so far there, have been nine this year prior to the most recent incident. some of the deadliest recent crashes have involved commuter trains. in february, just north of new york city, a met row north commuter train slammed into a vehicle. that was stopped on the tracks. killing the driver and six commuters. in december, 2013. federal officials say the bronx, a metro north jumped its tracks adds it barreled around a curve

traveling three times the posted speed. killing four. with more than 11 million passengers traveling along the northeast corridor between washington and boston each year it has become one of the busiest, most complex, technically advanced rail systems in the world. engineering professor says while traveling by train is largely safe, passengerss should be mor concerned about the tracks, and not engineers. >> most are caused by equipment, rail problems. rails can fracture from metal fatigue, or move around and shift, or anything else that moves. common ones are wheels, beari bearings, axels. >> the site of tuesday's crash in philadelphia is in the same area where the nation saw one of its deadliest train accidents in history.

in 1943, a train traveling from washington to new york went off the tracks killing 79 feel. amtrak's deadliest accident in history occurred in 1993. in mobile, alabama. a tugboat smashed into a river bridge causing it to collapse taking the train passing over with it. 47 died. >> that was cnn correspondent, suzanne malvo reporting from washington. well, breaking news now in the philippines. where the government and the city of valenzuela says at least 72 people are dead in a fire at a footwear factory. george cahiles from cnn philippines joins us on the phone from valenzuela. thank you for joining us. tell what caused the fire, how is it possible that so many people, 72, hatch lost their lives?

[ indiscernible ] >> the government says if the numbers are right they're no longer expecting that number to rise. one possible cause, that investigators are looking into is the possible spark from the alleged repairs of a ground floor of that factory. the spark, allegedly, from chemicals producing rubber slippers. and managed to see inside the

burn structure, several body being dropped down from the second floor. also saw numbers of the police, gathering evidence at the scene. now fire officials say the that -- that, through observation they have yet seen violation of the building. regulation about fire code. they're looking into possibility that one of the fire exits was blocked when the incident happened. rosemary? >> they're horrifying details on that, that blaze there. still trying to bring that under control at the shoe factory in the philippines.

gerg cahiles joining us there from the philippines. many thanks for bringing us up to date on the situation there. >> many people in nepal are living in tents again after a second major earth quake. >> we are scared. to go home right now. >> now, hear why they fear those tell pr ear homes could very well be in trouble. why innovate for a future without accidents? why do any of it? why do all of it? because if it matters to you, it's everything to us. the xc60 crossover. from volvo. lease the well equiped volvo xc60 today. visit your local volvo showroom for details. "what is it that we can do that is impactful?" what the cloud enables is computing to empower cancer researchers.

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a warm welcome back to our viewers here in the united states and around the world. i'm rosemary church. want to update you on our top

stories right now. investigators looking into the amtrak derailment in philadelphia say the train was going twice the speed limit when it want off the tracks. seven people were killed and more than 200 injured. the engineer, 32-year-old brandon bostian told police he couldn't recall how fast the train was going. when it crashed. >> the iraqi military says a coalition air strike killed the number two leader of isis. iraq says the trying stilled al afri and senior isis security figure. the u.s. says coalition planes did not strike a mosque as some reports have alleged. and the iraqi claim cannot be independently confirmed. >> the taliban is claiming responsibility for an attack on a hotel in afghanistan's capital city, kabul. police say five people were killed and dozens of guests were trapped inside as gunfire erupted. the siege ended after several

hours, when afghan special forces killed the three armed attackers and rescued 50 people. more now on our top story. the deadly train derailment in philadelphia. investigators say they are in the process of getting a search warrant for the engineer's phone record. to see if he was distracted at the time of that crash. they're trying to figure out why the train was going more than 100 miles per hour. 160 kilometers per hour when it left the tracks. >> let's bring back cnn's samuel burke. we speck to him a little earlier. live at the crash site. has the the very latest. samuel, just after 2. 30. in the morning. in philadelphia. what is happening now at crash site. does the activity at this early hour indicate that authorities perhaps believe there may be more victims at the scene? well, rosemary though the

investigation is going on as you can see from the lights there behind me at the crash scene. as they remove more of the train cars from the tracks, it looks like only two of the seven are left. it is becoming clear that they're not going to find any more survivors. and it is looking less likely that they're going to find any body at this point. authorities have identified five of the seven people that they say have died. and it is really been heartbreaking this evening because earlier in the day we were still hearing from families who were really holding out hope that their loved ones was be found in hospitals or maybe even come home tonight. and as this night has progressed you see that they're having to come to grips with the fact that their loved ones are never coming home again. >> can't bear to think of it. with speed a main factor in the crash, the focus is var much on the engineer, brandon bostian, what are we learning about him and what will police find out

from searching his cell phone record? >> well we know he has been with amtrak almost a decade. began as a conductor with the company in 2006. in 2010 graduated to becoming an engineer. which is what he, the position that he hold today. now with the cell phone record, this important in any type of investigation, whether it is an airliner, or a train, in this instance. because it can tell them possibly what he was doing in the moments leading up to the derailment. was he looking at his phone? was he texting? so this could actually be a really big source of information. but also what is going to be key are the cameras included in the data recorder. so-called black box. video footage from go pro like cameras on the train. doesn't just show the train. show the conditions around the train. including the tracks. so, maybe the train tracks were some factor. in the derailment. the type of information we are getting in the next 24 hours. as well as the ntsb speaking

with brandon in the next 24 hours. engineer of the train. as well as the the other, crew who are along with him. many more details to pull together here. samuel burke reporting there from philadelphia. many thanks. >> let's get to some other developing stories we are watching. the fate of boston bombe erbomb dzhokhar tsaranev rests with a jury. deliberation wednesday after closing arguments. the prosecution told jurors, tsaranev should get the death penalty. the defense says his life should be spared. they will now decide whether he should be executed or sentenced to life in prison for killing four people and wounding dozens more. after two earthquakes, within weeks, there is an urgent need for aid in nepal. the death toll in nepal, india, and china from the most recent quake, climbed thursday to at least 114 people.

meanwhile, searchers found no sign of an american military helicopter that disappeared on tuesday. with six american marines and two nepali service members on board. will ripley reports. >> reporter: end of a day of searching and no soon of missing u.s. marines. center of a search-and-rescue effort not only for the helicopter but for the many people still trapped in the mountains. >> one by one, military helicopters carry survivors from the earthquake ravaged himalaya. the government hoped by now to focus fully on relief. but instead it is still occupied by urgent rescues, from tuesday's second massive earthquake in nepal, in just over two weeks. >> i have never seen this devastation in my lifetime. >> reporter: many have nothing left but each other. we were hearingensome places most of the houses have collapsed. >> yes, there are almost no --

>>. [ indiscernible ] >> most of the nepalese military, 90,000 troops are responding, joining soldiers and relief workers from around the word. each helicopter brings in yet another load of injured people. they all come to this triage center for first aid. there are so many people who need help right now, and many of them are still in the mountains waiting to be rescued. the 7.3 quake, triggered landslides. tomd buildings and forced many families back outside. too scared to sleep in their homes. >> you are afraid your home will collapse because of the cracks in the walls? >> yes. >> that must be an awful feeling? >> yes. scary. my grandma she can not run. or quick. so we are scared. i don't know. we don't want to go home right now. >> two families share one tent. make shift shelters keep them dry for now. are you afraid of when the monsoon rains come? >> yeah, yeah.

we don't know itch it is waterproof or not. the rain, rain may come inside. and our bed. like we can make it wet. >> so, yeah, everyone here is scared of the rainfall. >> fear doesn't stop the people of nepal from doing what they can to keep some sell blauvens ape normal life. despite all they lost. they still have hope. humanitarian aid is trickling into the hardest hit areas. helicopters are loaded with supplies. each shipment is flown to the himalayas to places where people are in badly in need of food, walter, medicine. there are still many who will have to go another night without the supplies they need to recover from this earthquake. will ripley, cnn, kathmandu, nepal. >> there are reports of a military coup attempt in the african country of burundi. but the government says the reports are a joke. that story straight ahead here on cnn. stay with us.

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welcome back, everyone. we do want to update our top story now. the deadly train derailment in the u.s. city of philadelphia. authorities say 32-year-old brandon bostian, the engineer at the controls of the train the he told police he was not sure how fast he was going. investigators say he applied the emergency brakes, just second before the train jumped the rails. police are in the process of getting a search warrant for his phone record to determine whether or not he was distracted at the time of the crash. >> want to turn now to africa, several western journalists say they have been hearing gunfire in burundi's capital city of

bujumbura. as they attempt a military coup there. the government denies it is under threat calling reports of a coup a joke. robin krell has more on this and threats offette nick violence. >> reporter: we will kill her these men say as they carry a young, terrified burundi police woman down the street in the capital city. faurts way from the crowd. in the last week the street battles have become particularly bloody and personal. at least one man has been burned alive. more than 15 protesters and five policemen according to government have died in the violence thus far. on wednesday, in addition to the tear gas and water cannons or protesters, police were ruls accused of using live ammunition. but at around midday wednesday. all that changed the military up until now have been able to act as a buffer between political

parties as a political and sympathetic to keep the peace between protesters, police and supporters of the government. until burundi's former head of intelligence, fired by the president in february for speaking out against running for a third term, announced the president's time was up. >> reporter: his message broadcast on private airways. but his supporting soldiers and

demonstrators quickly marched to the state broadcaster. soldiers, loyal to nkurunziza, laid barbed wire on the road. the message of the ousting of the president was broadcast across the country. soldiers loyal to the general have also closed down the main airport. nkurunziza in tanzania, due to attend a meeting on the crisis in his country. his government dismissed the claims of the coup, saying it was a joke. an official statement on his facebook page called the coup d'etat imaginary. it reads -- >> reporter: the worry for many

is that this could degenerate into full-scalette neck violence. factional infighting between the majority hutu and tutsi rivals could occur in the military in the police or amongst civilian population. meanwhile, around 70,000 burundians have fled. the united nations estimates that number will swell in coming days. most that remain hope under any leader or government, seems like this won't haunt their streets for much longer. this police woman was incredibly lucky, rescued by her fellow officers from the angry mob. but it is a dangerous sign. and so many others are desperate for peace, security, and happiness. to return to this nation. that only ten years ago saw the end of a long, deadly, civil war. robyn kriel, cnn, nairobi.

>> rising tensions in the south china sea as the u.s. considers surveillance patrols. we'll have more on that just ahead here on "cnn newsroom." stay with us. making a fist something we do to show resolve. to defend ourselves. to declare victory. so cvs health provides expert support and vital medicines.

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welcome back, everyone. china is cautioning the u.s. against taking action in south china sea after word the u.s. is kidding sending surveillance ships and planes to the area. chin ease made artificial island in the area have sparked tensions in reecen't months and have been the subject of a number of territorial claims. cnn's david mckenzie has more. >> reporter: the aviation museum near beijing honors past battles of the people's liberation army. like celebrated victories over u.s. fighter jets in the korean war. this self-guided tour moves at a steady pace. but lately, china's military maneuvers are far more rabid. top u.s. lawmakers say america and allies interests in the region are at considerable risk. over a build-up of chinese assets in the south china sea.

satellite images show extraordinary transformations. what a u.s. commander calls the great wall of sand. >> since the last, 14 to 1 months we have seen china go from zero to absolutely -- a large number of island which previously didn't exist on reefs and sandbags, occupies controls south china sea. >> the south china sea is a commercial vital stretch of water sprinkled with hundreds of island and reefs. nine countries, territories claim at least some of those island. but china says it has a historic claim over it all. >> winning china's sovereign tee in territorial water, china has the undisputed right to do whatever it wants to do. >> reporter: the u.s. says china is stoking tension. take fiery cross reef claimed by china and the philippines.

this is in august last year. and this is in march. china says the islands are for mostly civilian use with some military protection. but analysts say, you can clearly see a military grade runway being built. >> previously china was a continental power. very much interested in what happened on the ground. on the land. now it is, much more interested in what is happening at sea. >> reporter: as it builds islands in the south china sea, he says there could be no easy way to curtail china's future military ambitions in the region. whatever they may be. and we want to turn now to david mckenzie from beijing. david, do we have any idea of china plans to build many more artificial island. how are the other countries that lay claim to the island likely to respond at this point? >> certainly they're responding with a great deal of worry.

particularly the philippines. in some cases vietnam. as i said in the report, rosemary, there are multiple countries claiming these islands. china is not the only one that its but resing or building out reefs to create territory. china certainly its more assertive in this. has been building as you saw there, rapidly island using huge amount of money. resources to create an island out of almost nothing. and it is clear, say analysts thament this on some level has the a military aim. so the worry is from the island, a way for schoin to assert control on what it says is its claims which effectively is the whole of the south china sea. puts more than a million square miles of key territory, potentially into, even more dispute. rosemary. >> it is a concern. interesting to find out what the international community can do and how is china likely to react to the u.s. sending surveillance

ships and planes to the area to keep an eye on this? >> well they have certainly as you said, reacted swiftly. saying thaeng that increases tension is unwelcome. the right of navigation through the south china see is for any country. doesn't mean in china's eyes that military assets scan be put in there and do what they like. apares to be the u.s. is trying to assert some kind of influence over the south china sea. perhaps, to send a message to allies. like the philippines to show america hasn't forgot any bout them. but also to show that they're wary of china's expansion in the, in that area. a difficult scenario. doesn't want to be seen as trying to stop china's rise in this region. so they, play this balancing action pivoting towards asia. at the same time, trying not to be too overly aggressive. because of course, that can go horribly wrong when you have all

these military assets converging tune this area. rose mary. >> certain line a delicate issue. one we will keep a close eye on. david mckenzie. many thanks to you. you have been watching "cnn newsroom." i'm rosemary church. stay with us. my colleague, john vause joins me for the next hour of "cnn newsroom". ♪ when you set out to find new roads, you build the car of tomorrow, today. introducing the next generation chevrolet volt. ♪ we don't collect killer whales seaworldfrom the wild. to know. and haven't for 35 years. with the hightest standard of animal care in the world,

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investigators say this derailed train was going twice the speed limit when it want off the tracks. >> dozens are dead in the philippines after a factory packed with workers catches fire. >> as the death toll rises in nepal, survivors of the earthquake say they're too afraid to go back to their homes. >> hello, welcome to viewers in the united states and around the world. i'm rosemary church. >> i'm john vause. great to have you with us. this is "cnn newsroom."