LONDON, Ont. -  Police say six people have been injured, including three in critical condition, after a vehicle crashed through the front doors of a Costco store in London, Ont.

They say the incident happened about 12 p.m. Friday and six people, including the driver of the vehicle, were transported to hospital.

London police say a female and her two children are in hospital with critical injuries.

Witnesses have told local reporters they heard a loud revving sound before seeing a red four-door sedan back into the front doors of the store, causing a "waterfall of glass" to come crashing down.

Police have taped off the area in front of the store, as they continue their investigation.

With files from The Associated Press.