The Turkish military opened fire on civilians gathering on Istanbul's Bosporus Bridge, reports and footage on Twitter shows.
Seventeen Turkish police officers were also reportedly killed in an helicopter attack on a special police headquarters on the outskirts of Ankara, according to AP.
HUGE: Crazy footage shows helicopters firing a target on the ground in Ankara. pic.twitter.com/vtiZSkckzV
— Gilgo (@agirecudi) July 15, 2016
Tanks are reported to be firing around the Turkish parliament building, according to Press TV.
The state-run Anadolu Agency also reports that military helicopters fired at the National Intelligence Agency HQ.
HUGE explosions rocks Turkey capital #Ankara just minutes ago pic.twitter.com/ZuhV4RzGQD
— The 'Nimr' Tiger (@Souria4Syrians) July 15, 2016
Police and the military have also reportedly fired at each other in the Kizalay area of central Ankara.
Video shows man getting shot by Turkish forces. Location unknown. pic.twitter.com/OHCbbjHoFm
— Gilgo (@agirecudi) July 15, 2016
The military earlier said in a statement it was taking control of the government in order to return it to democracy. President Tayyip Erdogan and government officials have said the coup lacks broad support within the military. Erdogan has called on his supporters to take to the streets in defiance.