Emrah Gurel, Associated Press
FILE — People, some holding Turkish flags, let balloons and lanterns go in the air in Istanbul's Ortakoy district by the Bosphorus, during New Year's cerebrations early Sunday, Jan. 1, 2017.

ISTANBUL (AP) — Turkey's state-run news agency says an armed assailant has opened fire at a nightclub in Istanbul during New Year's celebrations, wounding several people.

The Anadolu Agency said the attack occurred in Istanbul's Ortakoy district.

Footage from the scene showed at least six ambulances with flashing lights and civilians being escorted out. Media reports said police have cordoned off the area and an operation is ongoing.