At least six people were killed, another four injured in a traffic accident in northwest China's Xinjiang Uygur Autonomous Region Sunday. The crash took place at 9:50 a.m. in Hui Autonomous Prefecture of Changji. A truck collided with a coach on the S303 road. Six people in the coach died at the scene, another four people were taken to hospital, Xinhua reported. Investigation into the crash is underway.