A manhole exploded sending four people flying into the air after a woman threw lit fireworks down it in southern China. <br /><br />The dramatic video, shot in the city of Dazhou in Sichuan Province on January 28, shows a woman in a purple coat throwing a lit firework down the manhole.<br /><br />The manhole then exploded, sending four people including the woman along with the thick smoke into the air.<br /><br />Four people were all injured with one person suffering serious injuries. The case is being investigated.
