A car bomb attack on a police vehicle in the Turkish capital Istanbul has killed 11 people.
Turkey's president condemned the attack, saying the fight against terrorists would continue to the end.
So-called Islamic State and the outlawed Kurdistan Workers' Party (PKK) have been responsible for recent deadly bombings in Turkey.
The death toll in a bomb attack against a police vehicle in Turkey has risen to 11, Istanbul's governor Vasip Sahin said.
Seven of the casualties were police officers and a further 36 people were injured in the blast, which occurred during rush hour in the central Istanbul district of Vezneciler.
CNN Turk reported that a parked car packed with explosives was detonated by remote control as the police bus drove by.
The police bus was overturned from the force of the blast, which also damaged nearby buildings, including a hotel.
CNN Turk broadcast mobile phone footage of a blackened and mangled vehicle on the street near Istanbul University.
There was no immediate claim of responsibility. Kurdish militants, so-called Islamic State and radical leftists have all staged recent attacks in Turkey.
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