Two people were killed and 55 injured when an explosion tore through a busy restaurant in the Chinese city of Hangzhou on July 21.

The explosions were believed to have been caused by gas cylinders, according to local media.

Fire engulfed the restaurant sending plumes of smoke into the air.

Windows were blown out and the street was littered with debris.

Passengers on a nearby bus were caught in the blast.

Twelve were reported to be in a serious condition.