Multiple ambulances were sent to the scene in the central historic district of Vezneciler, near Istanbul University and Bayezit Square, a popular tourist destination.
Witness Alaattin Didik- Male told VOA’s Turkish service he had just parked his car in the area and was walking to breakfast when the blast occurred. He said he heard screams and ran in that direction, but stopped when he heard shooting. He then saw four policemen shouting that they were OK, but their colleagues were dead. READ MORE OF THIS STORY