Essex County OPP say four people have been taken to hospital after a marine incident in Lakeshore.
Emergency crews responded to the area near Couture Beach Road and Couture road on Thursday. Police say the incident took place in St. Clair Lake, north of Couture Beach Road.
Police say the individuals had unknown injuries.
An OPP reconstruction team is on the way.
-with files from CTV's Travis Fortnum