Two people have been killed and 55 others injured as an explosion ripped through a busy restaurant in the Chinese city of Hangzhou.<br /><br />Authorities believe the explosions were caused by gas cylinders.<br /><br />Fire engulfed the shop sending plumes of smoke into the air. Windows were blown out and the street was littered with debris. Passengers on a nearby bus were also caught in the blast.<br /><br />Those injured were taken to hospital, 12 are said to be in a serious condition.<br /><br />Firefighters were quick to respond and have since put out the blaze. An investigation is already underway.<br /><br />Explosions are fairly common in China, as safety rules aren’t often enforced. Central government has pledged to improve checks to avert such accidents.<br />
