A large explosion, believed to have been caused by a bomb, injured several people in the Turkish capital on Wednesday, according to media reports.<br />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.<br />Several cars caught fire, the report said.<br />Ambulances were seen rushing toward the scene.<br />The explosion caused a large fire and dark smoke could be seen billowing from a distance.<br />Police told The Associated Press they are investigating the cause of the explosion.
