Lambton County OPP are searching for a missing boater.
Police say the person fell from a vessel about 5:10 pm Saturday and failed to surface. The search Sunday centered in Lake Huron at the mouth of the St. Clair River.
There was a concerted effort to find the missing boater involving Sarnia Police Service, Point Edward Fire Service, The U. S. Coast Guard, the OPP Aviation unit, and underwater search and rescue.