Dramatic footage has emerged from China of a major pile-up on motorway which killed four people.<br /><br />The video, captured in Linfen, Shanxi Province on Monday, shows dozens of vehicles crushed together on the motorway.<br /><br />According to local reports, 37 vehicles were involved in the accident, four people died and 40 were injured.<br /><br />The pile-up was reportedly cause by heavy fog and the slippery road.
