A suicide bomber has attacked a high-rise apartment building in Turkey's Gaziantep in country's southeast during a police operation, leaving casualties, reports Sputnik International.

Three police officers were killed, 8 people were injured.

According to the CNN Turk television broadcaster, the suicide attack took place, when police officers blocked a group of terrorists in a flat.

A total of ten ambulances left from the scene to hospitals, according to the broadcaster.