Gunmen attacked the car of a provincial councilman northeast of Baghdad, killing the man and three of his relatives, police said Tuesday. The incident occurred Monday night on a road in Iraq's Diyala province, northeast of the Iraqi capital. Ali Majeed Salboukh, a member of the Diyala provincial council, was killed along with his brother and two other relatives, police said. Also Tuesday, a roadside bomb killed three civilians and wounded seven others in eastern Baghdad, police said. Three of those injured were policemen. The bomb was hidden in a pile of garbage in the Camp Sarah neighborhood, a mixed area, police said.