Bomb attack on police kills 11 in Istanbul

Turkish police detained four people in a hunt for the perpetrators of a car bombing in central Istanbul on Tuesday that killed seven police and four civilians, state media said.

The third attack in Turkey's biggest city within six months targeted a bus transporting anti-riot police in Beyazit district, close to many of the city's top tourist sites, Istanbul governor Vasip Sahin said on Turkish television.

Thirty-six people were wounded, three of them seriously, he added.

The four suspects were taken to police headquarters in Istanbul for interrogation, state-run Anatolia agency said, without providing further information.