A bomb was blasted at Sultanahmet Square at 10.20 in local time. Ambulances, the police and fire brigades were dispatched the area.
Extraordinary safety measures were taken in the area and tramway services were halted. The police covered the area with security cordon, investigated the scene and conducted a bomb search. According to initial reports, the governorship of Istanbul stated 11 people were dead and 16 people were wounded.
Police specialists started an investigation to find out what caused the explosion. Police helicopters also helped the investigation.
Meanwhile, tramway services between Beyazıt-Eminönü were halted. The police closed Sultanahmet Square’s surroundings to vehicle traffic.