Several people have been injured after an industrial explosion in Sarnia.

Mayor Mike Bradley says the explosion occurred 2:41 p.m. Saturday at the Veolia ES Canada Industrial Services Inc plant.

Five people were transported to Bluewater Health in Sarnia with injuries.

One person was subsequently air-lifted to a London hospital.

Fire officials say the plant was badly damaged, but no dangerous chemicals were released into the environment

Emergency crews are at the scene dealing with the situation.

 Police, fire and Ontario Ministry of Labour officials are now scene and investigating the incident.