Passerby engulfed by fire when gas cylinder explodes

This is the dramatic moment a fireball burst from a gas cylinder at a restaurant in China, engulfing a man in flames.

Security camera footage, which was filmed in Nanchang City in southern Jiangxi Province on August 12, shows the ball of flames suddenly burst into the road, just as a man walks by.

Surrounded for a moment by flames, the unidentified man then runs away.

Four people were injured in the incident, according to local media.

The fire which ensued was put out in about ten minutes.

Chinese authorities are investigating the incident.