Turkey says it believes the Islamic State was behind a gun and bomb attack on Ataturk airport in Istanbul which killed 36 people.
140 others were injured in the incident inside and outside the terminal.
Three attackers blew themselves up after being fired at by police.
A spate of recent bombings in Turkey have been blamed on the Islamic State or Kurdish separatists.
Borzou Daragahi is the Middle East correspondent for Buzzfeed - he says it bears the hallmarks of an I.S. attack.
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CBS reporter in Istanbul Holly Williams says the airport was heavily protected as a known terror target.
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Journalist Dorian Jones is in Istanbul.
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