(REUTERS) – A suicide truck bombing at a police headquarters in Turkey’s largely Kurdish southeast killed at least 11 and wounded dozens on Friday, two days after Turkey launched an incursion against Islamic State and Kurdish militia fighters in Syria. Prime Minister Binali Yildirim said there was no doubt that the Kurdistan Workers Party (PKK), which has waged a three-decade insurgency for Kurdish autonomy, was responsible for the attack in Sirnak province, which borders Syria and Iraq. The provincial governor’s office said 11 police officers were killed and 78 people, three of them civilians, wounded. There was no immediate claim of responsibility. The bombing in the town of Cizre was the latest in a series of attacks since a ceasefire with the PKK collapsed more than a year ago, and comes as Turkey tries to recover from a failed July 15 military coup. More than 1,700 military personnel have been removed for their alleged role in the putsch, including some 40 percent of admirals and generals, raising concern about the NATO member’s ability to protect itself as it battles Islamic State in Syria and Kurdish militants at home. At a news conference in Istanbul, Yildirim said Turkey had opened a