Canadian and American personnel are searching the Detroit River in the Amherstburg - Grose Ile area for two missing boaters.
They were among at least nine people on a boat that capsized around 7:30 p.m. on Sunday just south of Stony Island.
Grosse Ile police say several survivors are hospitalized.
Also part of the search are the Wayne County Marine Division, Canadian Coast Guard, U.S. Coast Guard, and the Downriver Dive Team.
— With files from Metero Source