Kurdistan Workers Party (PKK) militants attacked a military outpost and a police car in southeast Turkey overnight, killing one policeman, officials and security sources said on Sunday, according to Reuters. The Turkish military launched an air campaign against PKK camps in northern Iraq on July 24. State-run Anadolu news agency said more than 260 militants had been killed, including senior PKK figures, and more than 400 wounded until Aug. 1. Late on Saturday, PKK gunmen opened fire on a police car in the town of Midyat in Mardin province, killing one officer and wounding another, the Mardin governor's office said in a statement. PKK fighters also fired rockets at a military outpost in the Bulanik district of Mus province, triggering a brief gunfight, security sources said. There were no reports of casualties. A day earlier six people were killed in clashes between security forces and militants in the mainly Kurdish southeast .