Surveillance. The former russian agent and his daughter, moments before they both collapse. The stunning announcement from nashvilles mayor tonight. Her guilty plea and her admission. Good evening. And its great to have you with us here on a very busy tuesday night. And a tense night ahead with that second noreaster set to slam into the east coast in just hours. Take a look at the map tonight. The coastal storm still forming. Fueled from the midwest by a powerful winter storm that will kickstart a coastal low. Blowing snow and treacherous driving in granite falls, minnesota. This is whats coming. Whiteout conditions at the airport in minneapolis. Nearly 200,000 people still without power here in the northeast from the last storm just days ago. We do have the new track of this at this hour, and we begin here with abcs linsey davis tonight. Reporter tonight, with than 180,000 on the east coast still in the dark, a new storm is moving in. Fueled by a midwest blizzard bringing hours of blowing snow, high winds and treacherous road conditions. That is not good. Reporter trucks sliding sideways in bismarck, north dakota. Hundreds of accidents across the region. Along the massachusetts coast, a race to clean up and shore up homes damaged by the last storm. Residents are now facing their second noreaster in less than a week. This is really a double whammy for a lot of coastal communities. Here we are, days later and this neighborhood here in marshfield is still under water. Reporter families using paddle boards to get their kids to school. Were really concerned about the residents down on the sea wall, especially where the breaches are. Nows the time to think about making alternative plans and getting out. Reporter there and in duxbury, crews trying to secure the sea wall after waves caused parts of it to collapse. The last noreaster knocked out power to millions. New dash cam video from hyde park, new york, catches a tree crashing onto power lines, narrowly missing cars. In westchester county, power crews race against time, working 16hour shifts. Residents like com crocker are worried. How concerned are you about this next storm coming tomorrow . Ah, pretty concerned. We still dont have power. We havent even been able to get our Insurance Company in to see the house. Feel badly for all these families tonight. Linsey joins us live, and youve been told that those crews there behind you are going to work through the night, even as this storm hits . Reporter david, these crews are committed to working through the night. They say they wont stop until the weather conditions make them stop. 30mileperhour winds, thats the threshold, david. With so many already without power from the last storm. Linsey, our thanks to you. Lets get right to senior meteorologist rob marciano, tracking the storm. Hes live along the west side highway here in new york city tonight. Hey, rob. Reporter hi, david. Round two, here we go. This noreaster looks like its going to track closer to the coast, which is going to make that rain snow line forecast trickier. Here are the bullet points for the big cities. Mostly rain in d. C. Much less wind than the last goround. A rain snow mix in philly, three to six inches. Mixed with wind in new york, five to ten. Boston, mostly rain. But youre going to have wind and Flooding Issues there. Lets time it out. As david, you mentioned, kickstarting that coastal low tonight. A couple of inches of snow already by morning. And then during the day, the afternoon, thats when the worst weather is going to be. Do not go outside if you dont have to. This thing continues to wind up through tomorrow night. The heavy snows well inland. In the hills inland, one to two feet of snow possible. Along i95, the snow accumulations, much more variable, but either way, another high impact storm all day tomorrow. David . Rob marciano with us live. Rob, thanks to you. We are also following the breaking news from the white house at this hour. Yet another major departure. Gary cohn, President Trumps top economic adviser, resigning, just days after cohn lost that battle over tariffs. The president announcing plans to impose them anyway. Tonight, the growing list of departures a little more than a year into this administration. The firings, the resignations. Starting with michael flynn, last week, longtime aide hope hicks, and tonight, adding gary cohn to the list. And it all comes on a day in which the president said, they all want to be in the white house, i could have the choice of anyone. Heres abcs chief White House CorrespondentJonathan Karl tonight. Reporter what turmoil . President trump declared today that his white house is operating just fine. I like conflict. I like having two people with different points of view. And i certainly have that. And then i make a decision. But i like watching it. I like seeing it. And i think its the best way to go. Reporter but tonight, another Top White House official is out. Gary cohn, the president s top economic adviser, and perhaps the most respected member of his senior staff, resigned late today after President Trump rejected his advice and imposed steep tariffs on aluminum and steel. It comes one week after the president s closest and longestserving aide announced she was leaving the west wing. Any collusion . Reporter President Trump has had more high profile advisers quit or get fired in year one than any recent president by far. Today, he suggested more may soon go, but insisted even more people are clamoring to come work for him. They all want to be in the white house. So many people want to come in. I have a choice of anybody. I can take any position in the white house, and ill have a choice of the ten top people having to do with that position. Reporter the president s comments came in a joint News Conference with the Prime Minister of sweden, whose government is deeply concerned about russia interfering in its upcoming elections. A swedish journalist wanted to know if trump is concerned, too. But are you worried about russia trying to meddle in the midterm elections . No, because well counteract whatever they do. Well counteract it very strongly. Reporter that seems to contradict what the president s top intelligence official told congress today. Clearly, we have not successfully countered in an offensive way. Reporter and the director of the National Security agency recently said the president has not given him full authority to go after russia in cyberspace. Were taking steps, but were probably not doing enough. Reporter but today, the president downplayed russia interference. Well, the russians had no impact on our votes whatsoever. But certainly there was meddling, and probably there was meddling from other countries and maybe other individuals. And i think you have to be really watching very closely. So, lets get to jon karl with us live from the white house tonight. And jon, President Trump tweeting today, there is no chaos in the west wing, but tonight, the late news about gary cohn. And it wasnt long ago, you and i were talking here on this broadcast about him being discussed as a possible next chief of staff. Reporter gary cohn is, or i guess i should say, was, the most widely respected member of the white house staff. He was the one who could stand up and tell the president when he was wrong. His departure, david, will have repercussions far beyond Economic Policy here at the white house. All right, jon karl with yet another breaking development from the white house. Next tonight, emergency evacuations outside pittsburgh tonight, after a train slammed into a tractor trailer carrying dangerous hydrochloric acid, spilling thousands of gallons of that acid. A toxic cloud could be seen above the scene, triggering emergency evacuations. And heres Abcs David Kerley tonight. Reporter that tanker truck wrapped around a train is leaking. A cloud of smoke and acid. First responders donning gas masks. Train accident into a tanker truck. It has ruptured. Its tanking some type of hauling acid. Reporter it was more than 4,000 gallons of dangerous hydrochloric acid in the truck. The smell started to come into the air. Where i was, it was just a little bit more of an irritant. Smelled like battery acid. Reporter the driver of the truck sustained serious injuries when the Freight Train slammed into it at a crossing. Two members of the rail crew suffers respiratory irritation. And even though centerville, pennsylvania, is rural, 15 homes needed to be evacuated. They were sheltering in place initially, but more for peace of mind, we took them out of their homes. Reporter rail Officials Say the truck pulled in front of the csx Freight Train latemorning at this crossing, which is marked with signs, but no crossing gates. There were more than 2,000 accidents at crossings last year, more than 100 involving trucks. In this case, Officials Say a small amount of the acid remains in that truck. Officials say it will take some time to empty that truck and clean up the scene. As for those who evacuated, no word on when they may get back in their homes. David . David kerley with us tonight. David, thank you. Next, to that new Surveillance Video now emerging tonight amid this question was it a russian poison plot . A former russian spy in Critical Condition tonight, his daughter also critically ill. And now, that video believed to be of them in the moments before, when this was done in the uk to them. Heres abcs chief Foreign Correspondent terry moran from london tonight. Reporter this grainy Security Camera video is believed to show a father and daughter just before they collapsed from a suspected poisoning in the english town of salisbury. Her eyes were just completely white, they were wide open but just white and frothing at the mouth. Then the man went stiff. His arms stopped moving, but hes still looking dead straight. Reporter the man, sergei skripal, is a former russian army colonel convicted in 2004 in moscow for spying for britain. He and his daughter, yulia, are both now fighting for their lives. Our focus has been on trying to establish what has caused these people to become critically ill. Reporter another ominous development, two Police Officers and up to ten others at the scene were hospitalized after suffering rashes, wheezing and vomiting. The incident, strikingly similar to the killing of russian dissident alexander litvinenko, poisoned with polonium at a london hotel in 2006. A british inquiry determining that russian president Vladimir Putin probably approved the murder. Another opponent of putin, ukrainian politician viktor yushchenko, barely survived a massive dioxin poisoning in 2004. Skripal was released from prison as part of a spy swap that included anna chapman, the glamorous russian agent arrested in the u. S. In 2010. British counterterrorism authorities are now leading the skripal investigation, but right now, for all the suspicions of russian involvement, no one really knows whats going on here. David . Keep us posted. Terry moran from london tonight. And next, what could be a Major Development on the Nuclear Threat from north korea. It came after a very rare meeting between kim jongun and south korean officials. Afterwards, south korea reporting that the north offered to stop testing weapons if the u. S. Agrees to talks. Tonight, President Trump now reacting, and abcs matt gutman, who was just at the dmz, the highly secured border between the north and south. Reporter tonight, for the first time ever, kim jongun face to face with south korean officials who traveled to pyongyang. Afterwards, south korea said the north Korean Leader appeared willing to suspend all nuclear and missile tests in exchange for talks with the u. S. After first saying the offer may be false hope hopefully, well go in the very peaceful, beautiful path. We are prepared to go whichever path is necessary. Reporter the mercurial north Korean Leader has spent the last two years accelerating his nuclear and missile programs, eliciting this kind of response. They will be met with fire, fury and, frankly, power. Reporter while north korea dispatched a socalled Charm Offensive to the olympics last month, at the dmz, a recent reminder of the tension. Now, this is how bad communication is between the two sides. There is a telephone line connecting the south korean side and the north korean side, but the North Koreans havent answered it since 2013. Now, plans for a direct hotline between north and south Korean Leaders. And david, the u. S. Intelligence chiefs have weighed in on this today, basically saying that they are deeply skeptical, noting that north korea has a 60year long track record of breaking promises. David . Matt gutman tonight. Matt, thank you. Back here at home, and to a troubling new development in gymnastics tonight. The first male gymnast now accusing former Team Doctor Larry Nassar of sexual abuse. 18yearold jacob moore breaking his silence. What he says the doctor did to him. Heres abcs Kayna Whitworth tonight. Reporter jacob moore, a standout gymnast at the university of michigan, is now coming forward as the first male victim with allegations against disgraced doctor larry nassar. I dont think i was by any means a stupid kid, but i dont know anything about medicine, so, you know, i kind of placed a lot of trust in him. Reporter jacob says at just 16, he was abused in the basement of nassars home while seeking treatment for a shoulder injury. Jacob claiming in a federal lawsuit that nassar administered acupuncture to his pubic area, ostensibly for the purpose of treating his shoulder pain. I felt uncomfortable, but the amount of trust i had in him led me away from thinking that something was actually wrong with the situation. Reporter he says he only recently came to terms with what happened. I started searching the internet for evidence that this was a legitimate, you know, medical treatment, and i didnt find anything, and i immediately was very shocked and almost angry, you know. I was abused, basically. Reporter his sister kamerin says she, too, was abused by nassar, someone they considered a family friend. One of more than 200 victims speaking out at sentencing, describing her brothers alleged assault. You pulled his pants slightly down to expose him in front of one of your other female victims, actually. Reporter jacob says he was inspired by his sister and hopes one day to testify against nassar in a civil case. Hes a survivor, and hes here to speak for those who have come forward. Reporter for now, jacob is focused on moving forward. If i allow him to kind of take away that love for the sport, i see that as kind of him winning. Thats the last thing that, you know, any of us want. And Kayna Whitworth here with us in new york tonight. And jacob is now joining a lawsuit with other victims . Reporter david, he is joining more than 250 victims in a lawsuit against nassar, usa gymnastics, Michigan State university and others, as well. And jacob told us that by speaking out, he hopes that he can give other male victims a comforting platform so they can have their voices heard, as well. A troubling new development. But in the meantime, nice to have you in new york with us for a change. Kayna, thank you. In other news tonight, the Trump Administration is now lifting a ban on importing big game trophies. The ban toughened after the uproar over cecil the lion was killed by an american dentist in zimbabwe. But now, the u. S. Fish and Wildlife Service will issue permits to import hunting trophies on a case by case basis, they say. The president is not a hunter, but his sons are, and they have made the argument that the money hunters spend on safari supports conservation and local economies. There is still much more ahead on world news tonight this tuesday. The fall from grace. The stunning announcement today from nashvilles mayor. Youll see it. Scandal forcing the mayor to resign from office. Her guilty plea. And tonight, her admission in front of the cameras. Also, look at this. The city bus slamming into one parked car after another. And there is news tonight about the driver. What witnesses say they observed in the moments right before. And look at this video. A piece of American History discovered on the ocean floor. The American Veterans and this story will move you. This ship lost in battle 76 years ago. A lot more news ahead. Ews ahead. Rheumatiod arthritis before you and your rheumatologist move to another treatment, ask if xeljanz xr is right for you. Xeljanz xr is a oncedaily pill for adults with moderate to severe ra for whom methotrexate did not work well. It can reduce pain, swelling and further joint damage, even without methotrexate. Xeljanz xr can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections, lymphoma and other cancers have happened. Dont start xeljanz xr if you have an infection. Tears in the stomach or intestines, low blood cell counts and higher liver tests and cholesterol levels have happened. 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