Four people were killed and another four were injured when a truck crashed with a minibus in north China's Inner Mongolia Autonomous Region, Xinhua quoted local authority as saying today. The accident occurred at 2:43 p.m. on Sunday in a section of the No. 111 National Highway when the truck side-slipped and collided with the minibus nearby. Four people in the minibus, including the driver, died and another four were slightly injured, said a Chifeng municipal traffic police department official. The cause of the accident is under investigation.