DIYARBAKIR - Two police officers were killed and 19 people were wounded when a car bomb exploded near a passing police vehicle in the eastern Turkish province of Bingol on Sunday, security sources said. The bomb, planted by militants from the outlawed Kurdistan Workers Party (PKK), was detonated near the district governor's office, the security sources said. Five police officers were among the injured, they said. Hours before the bombing, PKK militants had attempted an attack overnight on the district governor's home, using long-range rifles and rocket launchers, Dogan news agency reported.