An explosion in the center of a busy pedestrian street in central Istanbul left a number of people dead and wounded, Turkish media reported.
An initial report by Reuters says at least one person was dead and some were wounded.
State broadcaster TRT and other media showed ambulances and police heading to the scene on Istanbul’s popular Istiklal Street in the Beyoglu district. State-owned Anadolu agency said the cause of the blast was not yet known.
The nearby Kasimpasa police station said all crews were at the scene but gave no further details.
The explosion prompted emergency response in Istanbul.
The cause of the explosion is not clear so far. Initial reports indicate the explosion may be the result of a bombing.