now", a desperate search on as dozens were killed and more injured. a suspect slipping away in the chaos now on the run. details straight ahead. the president-elect is still casting doubt on what u.s. intelligence is saying about russia's alleged hacking during last year's campaign. he's about to hold important meetings with intelligence officials who will lay out their case. the transition is moving forward with 18 days to go until inauguration day. and new this half hour, a very long wait is over here in new york city, a new subway opened with riders able to take their first trips today. the entire project was about a century in the planning. >> oh, is that all? new comments about mariah's

new year's performance. the show's producer weighs in about what happened on stage. the details coming up in the skinny on this monday, january 2nd. from abc news, this is "world news now." good morning, i'm ryan smith. >> i'm marci gonzalez. kendis and diane are off this morning. we begin this half hour with the desperate search for a terrorist after that grizzly nightclub massacre in turkey. >> gunfire e erupted in the early hours of the new year as party goers celebrated at the popular istanbul club packed with tourists and locals, and when it was all over, 39 people dead, 70 wounded, and the attacker escaped. here's the latest. >> reporter: this was the scene in istanbul's popular nightclub at midnight. the partiers dancing, waving sparklers, confetti flying. the new year is rung in.

but just over an hour later, surveillance video captures this ominous scene just outside the club. bullets ricochetting over the street. people running for cover. from the opposite angle, graphic videos of a man dressed in black, pointing his rifle. authorities say the suspect killed a police officer and another person on the street before storming the club. the view from inside shows a gunman dressed in white wearing a hood. authorities believe the attacker changed his clothes. he stayed inside for seven terrifying minutes, shooting at the crowd that gathered, an estimated 600 people. my husband told me to get on the ground, and then a man came, this woman says. on my lefting right, everyone was crying. the smell of gun powder everywhere. revelers reportedly jumped into the city's bosphorus river desperate to escape. the attacker slips away, still on the run.

eyewitness captured this video of the immediate aftermath. a man's body lying in the street, panicked, yelling. ambulances race to the scene. survivors crying. embracing each other, still dressed to celebrate. at least 39 people dead, including more than two dozen foreigners. the club popular with tourists. dozens more were injured including at least one american. an anguished son weeping over his father's casket as authorities scramble to find the person responsible. americans warned by the consulate to shelter in place. the u.s. and turkey are calling this a terrorist attack. so far there's been no claim of responsibility, but turkish police sources tell us they do believe the shooter showed signs of being a trained isis fighter. abc news, us stan bull. north korea's putting the international community on edge hinting it's going to test a long range missile. in its new year's speech, the leader said preparations for launching an intercontinental

ballistic missile for the first time reached the final stage. he said the country will boost its military capabilities further unless the u.s. ends joiptd military exercises with south korea. the u.s. general is praising iraqi forces fighting to retake mosul from isis. brigadier told the ap that iraqi forces are at the peak at adjusting well to the changing realities on the battlefield and applauded efforts, and said it will take another three months to liberate mosul. donald trump is casting doubt on u.s. intelligence that found russia meddled in the presidential election to help him win. as he prepares to meet with intelligence officials this week, trump claims he is already quite knowledgeable about hacking. abc's mary bruce with the latest. >> reporter: donald trump's ringing in the new year with new pushback. >> i know a lot about hacking. hacking is a very hard thing to prove. it could be somebody else. >> reporter: the president-elect did his new year's eve bash in

florida, still doubting u.s. intelligence and questioning if russia interfered in the election. >> i want them to be sure. i think it's unfair if they don't know. >> reporter: 17 u.s. intelligence agencies concluded russia was behind the hacking. now trump suggests there's more to it. >> i also know things that other people don't know. >> like? >> and so they cannot be sure of the situation. >> reporter: trump will be briefed by leaders of the intelligence community next week and is promising more details. >> what do you know that other people don't know? >> you'll find out tuesday or wednesday. >> reporter: the top democrat on the house intelligence committee tells us the evidence is ironclad. >> it's very solid. it's, indeed, overwhelming. if he's going to have any credibility as president, he needs to stop talking this way. >> reporter: president obama already retaliated including closing two lavish russian diplomatic retreats and evicting dozens from the u.s. plane moscow bound. the team questions the white

house's motivation. >> there's question whether there's political retribution here versus diplomatic response. >> reporter: some republicans want more punishment. >> we will be working for much tougher sanctions against russia. they attacked the united states of america. the hacking was an attack. >> reporter: trump says the only way for sure to protect from cyber attacks -- >> you know, if you have something really important, write it out and deliver by courier, the old-fashioned way, because i'll tell you what, no computer is safe. >> reporter: dhs weighs in on new concerns that the russians may have targeted the american electrical system, a code linked to the russians found on a laptop soerassociated with a vet electrical company, but there's no signs the hackers penetrated the power grid itself. mary bruce, abc news, the white house. queen elizabeth missed a traditional new year's day church service sunday because of a lingering cold. her husband, prince phillip,

attened as well as other members of the family. the queen also missed christmas service last week for the first time in decades. the palace said there's no calls for concern. >> reporter: back at home, the recovery efforts for a small plane that disappeared over lake erie resumes. six people aboard, including the pilot, his wife, and two sons. multiple reports of debris, and the plane disappeared thursday after taking off from cleveland's lake front airport. the public works commissioner in the suburban detroit county vows to fix the sewer line that created a major sink hole. that mess forced the evacuation of 22 homes. the commissioner says some of the families may be able to return in a about a week. the sink hole caused by an 11-foot sewer line that clogged and collapsed. well, the south is bracing for wet weather on this second day of the year. there could be even some severe storms. >> oh, doesn't look good. accuj weather's paul williams has the latest track of the

storm, paul? >> good morning, ryan, marci. right now, we are bracing for the worst of the worst in the deep south, severe thunderstorms and actual threat of tornados precipitated by a system tracking northeast and bring moisture from the gulf. that combination makes for widespread rain showers in the southeast, mississippi valley region and up into indiana. and rain's going to range between two feet and four inches in areas. bracing for a chance of flash flooding. slippery conditions in the ohio valley, pockets of rain, and slippery monday. tuesday, in the northeast, covered by this rain, and it's going to cause big time travel delays from bangor to richmond. marci, ryan. >> thank you, paul. nearly a century after it was first proposed, a new subway line opened up in new york. the second avenue lines first train left the station noon yesterday.

the three new stations are manhattan's far upper east side which has not had subway service up until now. >> the mood among thousands of riders on the first day was fesive, you know, the way it always is when you ride the subway here in new york. everyone's smiling and friendly. nearly all just taking a ride to celebrate, weren't really going anywhere, most of them. this line connects riders to brooklyn and hopefully relieves crowding elsewhere. >> you know, this was so important. it's going to sound like a new york story, but if you visit new york, there's a whole other side of town on the east side, and they really had no way to get there for four to five blocks -- >> you can take the bus. >> to the east and 50 blocks up. >> take the bus. take a cab. >> subway lines. >> yes. we are spoiled by subways. >> they have been trying this for a hundred years, and now look. it's beautiful, colorful, and it's packed, and -- >> doesn't have those lovely scents, you know, the smells of the new york city subway just yet. just wait. give it a few days.

>> it'll be there. give it an hour. >> guaranteed. >> two hours. coming up, a temporary makeover for the iconic hollywood sign. oh, yeah, that's different, the change all too obvious to see. more about that straight ahead. mariah carey's on together. >> uh-oh. >> yeah. stay with us. you're watching "world news now." "world news now" weather brought to you by lysol. you by lysol. the worst thing about toilet germs? they don't stay in the toilet. disinfect your bathroom with lysol bathroom trigger... ...lysol power foamer... ...and lysol toilet bowl cleaner. they kill 99.9% of germs including e. coli. to clean and disinfect in and out of the toilet...

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she pretty much lives in her favorite princess dress. but once a week i let her play sheriff so i can wash it. i use tide to get out those week old stains and downy to get it fresh and soft.

you are free to go. tide and downy together. philadelphia ushered in the new year with the parade, but it was a kinder, gentler version. there's worries of insensitive displays. they reviewed participants, five asked to remove offensive material. the parade this year also included minority bands and dancers and drag queens. well, in california and minnesota, daredevils made a flash on new year's day with a pair of high profile protests. >> yes. >> this morning, we are finding out just how they managed to pull it off. here's more. >> reporter: the new year

kicking off with the two brazen stunts. in hollywood, a shocking sight. the hollywood sign altered to read with the hollyweed." >> wonder how they did it. >> pulling this off also in 1976. >> i like the traditional sign, but this is here being here at the moment. >> reporter: at the vikings, bears football game in minneapolis, two protesters, one in a purple jersey dangling from the rafters of u.s. bank stadium. unfurling a giant banner above the crowd. revealing a rallying cry for the dakota access pipeline. the game going on uninterrupted, experts says it exposes lapses in security. >> shows people who may want to commit, say, a crime, where people get hurt that there are weaknesses and gaps in security measures in these different types of locations and they can exploit that. >> reporter: the hollywood sign

is back to normal. no word on who might be responsible. abc news, los angeles. >> very ambitious of whoever did the hollyweed. not what you think of for a pot head, just celebrate, sit home and chill, but you do that? >> you think, dude, i have an idea, mess with the hollywood sign. >> you laugh about it, but to do it? >> facing a misdemeanor trespassing charge. >> but you made national news, so, oh, well. >> minnesota, one, two protesters arrested. it didn't work out perfectly. >> although, hollywood person not caught yet. >> and we're talking about it. >> exactly. when we come back, what mariah carey's about her meltdown on live tv. >> why a microphone was cut off. "world news now" continues after this, from our abc stations. hy a microphone was cut off.

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time now for the skinny starting with, guess who, mariah carey and the new year's eve performance, if you call it that. >> oh, man, the final act on new year's rockin' eve. she had just finished singing "auld lang syne" when the wheels came off the tracks.

>> well, happy new year. i'll just go through the motions, okay? ♪ all right. we didn't have a check for this song, so we'll just say that's what it is. okay. ♪ we're missing some vocals. but it is what it is. >> you can see how frustrated she was. >> oh, man. >> you see her face. >> doesn't get easier to watch. >> no. you think that was bad, by the way, things only got worse. >> oh. >> she eventually walks off the stage.

>> just don't get any better. >> she walked off the stage, but i'm amazed she lasted as long as she did up there with how things were going. >> you could tell she was angry, tweeting a profane phrase after the performance saying, blank happens, and you know what i mean by blank. >> we do. >> her people, by the way, blaming technical difficulties, but dick clark productions denied that saying, in part, it would intentionally compromise success of any artist is absurd. oh. fight is on. >> oh, there were some choice tweets after that. >> yes. >> and this is the -- quite a talker that we'll be hearing about for quite a while, i think. >> imagine being the sound guy that night. >> wait -- >> for whoever the person was. >> you know that person probably knows the real story, like, nope, there's no problem, or, if there was a prop, then, the person's going to keep their mouth shut. >> looking forward to the exclusive.

>> meantime, there was ring-worthy moments over on another network at about the same time. >> so cnn, i don't know if you catch their midnight show, don lemon hosting the new year's eve coverage from new orleans. he was reportedly pounding shots of tequila, ushering in the new year, land blasting the new year, and the producers cut his mic. >> it doesn't matter. >> i know. >> seriously. having a moment. >> 2016 was awful. >> oh, and there he goes. >> okay. well maybe they just wanted to fill in the blanks why you thought it was awful. oh, what's going on here? okay? in the broadcast, he got his ear pierced live on the air. now, was this planned or was this the result of tequila, and are men still piercing ears in

2017? is this coming back? >> maybe don's bringing it back. look, we go way back. >> can't. >> i don't know what to say. >> all right. >> and, finally, we have a final celebrity passing to report. this has been a really tough year for celebrities. >> oh, yeah. >> it's been hard. so in 2016, an actor, william christopher, you know his face. he died after a battle with lung cancer, known for the role, on "mash." >> you see, gail planned to go to medical school, i helped her study, simple as that. at least i thought it was. until i suddenly found myself on the receiving end of the rather ardent embrace. >> what? >> she hugged the stuffing out of me.

>> you know, i don't know -- did you watch "mash" growing up? >> not really. a little bit. >> it was a little bit before my time too, but i have to tell you, it really -- he was really just one of the amazing characters of the show, 84 years old. i did everything i could to make her party perfect.

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with the arrival of the new year comes a new crop of long awaited block buster hopefuls at the box office. >> that's right. they come amid a whole new hollywood award season, and chris connely has a preview of what's hitting theaters this year. >> reporter: if 2017 sets up the year of change, these movies hope to offer pleasure. putting the bands back together for the guardians of the galaxy part 2. long awaited live action version of beauty and the beast. the shimmering emma watson hits theaters this march. >> hello. >> of course he can talk. >> reporter: wonderwoman gets a

movie this summer. strength and sorrow of world war i. call this the fate of the furious. >> we're going to need a bigger truck! >> reporter: weekend before valentine's day brings "50 shades darker." pirates of the caribbean, dead man tells no tales, eager to find jack sparrow. it's not all fun and games. world war ii drama puts the dark knight on tour, christopher nolan, back on the director's chair. another hits the road for a girl's trip. this is a cyborg scarlett johansson. two more in orbit when something goes a little awry. that's life. front and center for the dark tower. there's nothing needed for the

batman movie, fighting crime and overexuberant robin. >> i love it, but it's tight. >> i got an idea. better? >> reporter: all that and the spiderman reboot, transformers sequel, and in december, star wars episode 8. it's not the worst time to have something loud to look forward to. abc news, los angeles. >> i have not heard more than half of those movies. they look good. >> some do. saw the previews, amazing. >> you're fired up. >> so fired up. >> and fast and furious 48? >> yeah. 8. they were in a car, again. >> shocking. this is abc's "world news now," informing insomniacs for two decades. news now," informing insomniacs for two decades.

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making news in america this morning, breaking overnight, isis now claiming responsibility for the nightclub shooting in turkey. the search for a suspect right now, the injured american, plus other americans near the attack. professional basketball players escaping the rampage. expressing doubt. president-elect trump says he has inside information on the election hacking. he's reiterating doubts that russia was behind it and promising to reveal what he knows about the election day meddling. we're live in washington. desperate search, a couple missing since christmas. the new clue in the case that has family and investigators focusing on a small town. and the blame game. after mariah carey's awkward performance before the ball dropped overnight, the new response from