An explosion happened near a chemical plant in northern China’s Zhangjiakou city, killing at least 22 and destroying 50 vehicles today (November 28).<br /><br />In the dramatic video, bright flames and a huge cloud of smoke can be seen rising into the air near Hebei Shenghua Chemical Industry. <br /><br />Vehicles that stopped on the side of the road, including 38 lorries and 12 cars, were engulfed in the fire. <br /><br />It is still unclear where in the factory zone the explosion happened or why.<br /><br />Rescue work was underway and the case was being investigated by authorities, reports said.