ANKARA: Many people were killed and wounded in an explosion on Friday at a police headquarters in Cizre in southeast Turkey, security sources said on Friday. Cizre is in Sirnak, a province that borders both Syria and Iraq and has a largely Kurdish population. One police officer was killed and 25 people wounded in a car bomb attack at a police headquarters in the town of Cizre in southeast Turkey on Friday, hospital sources said. Television news channels said the blast took place at a police post. Details of casualties were not immediately clear. Cizre is in Sirnak, a province that borders both Syria and Iraq and has a largely Kurdish population.