A bomb blast has rocked the central Istanbul district of Vezneciler near a bus stop and some people are wounded, CNN Turk reports.
The broadcaster said many ambulances were sent to the area on Tuesday.
The NTV broadcaster said the explosion occurred as a police vehicle was passing the area.
There was no immediate claim of responsibility but Kurdish militants, Daesh terrorists and radical leftists have all staged attacks in Turkey recently.
S/SH 11
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