The Islamic State organization carried out Tuesday night's attack at Istanbul's international airport, Turkish Prime Minister Binali Yildirim said at a press conference. A manhunt is underway Wednesday morning for three terrorists who fled the scene. One terrorist was captured and is now under investigation. The airport has mostly returned to normal operations and Turkish Airlines flights to and from Israel have resumed. The majority of the injured are apparently Turkish citizens but the US State Department has called on Americans in Turkey to use social networks to immediately provide notification of their situation.