A collision between two lorries each hauling a trailer and traveling in the same direction on a highway in northwest China's Xinjiang Uygur Autonomous Region left four people dead and three others injured, Xinhua quoted local government as saying. The accident occurred at about 4:10 a.m. on Monday when a semitrailer truck collided into another one ahead of it at the Kuitun-Sayram Lake section on the No.312 national highway. Three people in the rear vehicle died, and one died and three were injured in the other vehicle.