Manhunt Continues for Shooter in Istanbul Nightclub Attack That Killed 39

ISIS put out a statement claiming responsibility for the attack because it's "where Christians celebrate their apostate holiday."
2:24 | 01/02/17

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Transcript for Manhunt Continues for Shooter in Istanbul Nightclub Attack That Killed 39
We are going to begin with that manhunt in Turkey for the terrorists who killed at least 39 people celebrating new year's at a nightclub in istanbul. Overnight ISIS claimed responsibility for the attack and officials warning Americans to be on alert. Reporter: Overnight ISIS put out a statement claiming that the shooter is one of their soldiers as they call them. He is still at large. ISIS claimed that this attack was in response to Turkish actions against them in Syria, but also because this club is, quote, where Christians celebrate their post state poll day, meaning new year's. An urgent manhunt for this man, caught by surveillance cameras he he filed into istanbul's Reina nightclub. Just 75 minutes earlier, the scene was like so many new year's parties around the world. Around 600 revellers counting down, waving sparklers, cheers as the new year is ringing in. Bullets ricochetted after the street as the shooter dressed in dark clothes fired an automatic weapon and rushed the door. In graphic video showing the man shooting at people at the entrance to the club before storming inside. There, the rampage lasted seven horrific minutes. The suspect, authorities believe, then changed clothes to blend in and slip away. This morning at least 39 people have been confirmed killed, including more than two dozen foreigners. Dozens more were wounded, including 35-year-old American Jake raak in istanbul on vacation, who was carried away on a stretcher after being shot in the leg. I don't know, I saw one person. They're shooting. Reporter: His brother saying the bullet may have hit raak's cell phone and prevented and more serious injury. Several wnba players were celebrating next year. Essence Carson tweeting, stuck inside the club because of terror shooting in istanbul. Later Carson deleted the tweet and confirmed that she and two other teammates were safe. This shooting is just the latest in a string of deadly incidents to hit this country in the past few months. This new year is starting off with what many are calling a massacre, more of those killed in this attack are being laid to rest and the funerals today, most of them are muslims. Robin?

This transcript has been automatically generated and may not be 100% accurate.

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