Baghdad, April 14 (IANS) At least 36 people were killed and 28 others wounded in separate violent attacks across Iraq Sunday, police said. In one attack, eight policemen were killed and 10 people wounded in a suicide truck bomb attack targeting police in Iraq's **rthern province of Kirkuk, Xinhua quoted a police source as saying. The attack occurred in the morning when a suicide bomber rammed his explosive-laden truck into a police checkpoint and blew it up in Debis town. A police ******r and a Kurdish security guard were among the killed, the source said, adding the wounded included three civilians.