A firework factory erupted into flames in southern after an accidental explosion of several bags of gunpowder being wheeled in by a worker.In the , captured in Changsha City in Hunan Province on October 28, a man pushes a handcart with several bags of gunpowder into a shed.However, a ball of fire suddenly erupts and engulfs him just after he stops the handcart at the gate. The worker suffered burns to his skin but was not in a life-threatening condition.According to reports, the explosion may have been caused by static between the tyre of the handcart and the ground.