At least 17 policemen have been killed in attack on Golbasi Special Operations headquarters in Ankara as the helicopter fired on their positions, Anadolu Agency reported.

READ MORE: Erdogan calls people onto streets on CNN Turk via mobile phone, says ‘will overcome’ coup



Crazy video of protestors disarming TSK APC crewmen in Ankara pic.twitter.com/EAqrGemoO2 — BM-21 GRAD (@bm21_grad) 15 июля 2016 г.

Security services have arrested 13 people, including three officers after their attempt to take over the presidential palace failed, Anadolu Agency reported.

The Turkish Parliament has scheduled an emergency meeting on Saturday to address the attempted coup, Parliament Speaker Ismail Kahraman said.

READ MORE:Soldiers fire at people on Istanbul’s Bosporus bridge, some injured – reports



Meanwhile, police arrested four soldiers who tried to storm the building of state-television TRT in Istanbul, Anadolu Agency said.

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The attempted military coup has been "suppressed" and organizers are now being arrested, Istanbul Governor Vasip Sahin told NTV.