Five people died and another was injured when a truck overturned and crushed a car in southwest China's Yunnan Province, police said Sunday. The truck rolled on to car carrying six people on a highway in Jianchuan County at about 10 p.m. Saturday. Five people in the car were found dead when rescuers cut open the wreckage, Xinhua reported. The truck driver was slightly injured, said a county traffic police spokesman. Police were investigating the cause of the accident.