Blast rocks Istanbul, some casualties

Istanbul: An unspecified number of people were injured when a blast rocked Istanbul’s Sultanahmet district on Tuesday, BBC reported.

The district is very popular among tourists. Xinhua news agency reported that the blast could be heard in other districts of the capital also.

Several German tourists were reported to be among those injured.

Witnesses reported hearing a loud blast and video footage on the CNN Turk channel showed police and ambulances at the scene.