According to Deutsche Welle, citing local media, resulting in two people were killed and seven injured.
The incident occurred in the morning of Saturday, March 19 at the pedestrian Istiklal Street in downtown.
Turkish TV specify one of the two dead - a suicide bomber who carried out the explosion.
Television footage also shows people running away in the area of the explosion. At the scene police car sent, ambulance and police helicopters.
As reported on March 13 there was a terrorist attack in the capital of Turkey Ankara.
The explosion claimed the lives of 37 people.