At least five people have been killed and 10 injured by a car bombing close to military buildings in the Turkish capital, the city governor has said.
Television footage showed a plume of black smoke billowing into the sky and an intense fire on the ground.
Mehmet Kilicer said officials believe the explosion was caused by a car bomb.
Private NTV said the explosion occurred during rush hour in an area close to where military headquarters are located as a bus carrying military personnel was passing by.
Several cars caught fire, the report said.
Ambulances were seen rushing toward the scene.
