One person is dead, four others are injured and one person is missing after two boats collided on Lake Rosseau.
Police say the crash happened around 7:40 Wednesday night near Windermere Marina.
The OPP received multiple calls about the crash and witnesses say they saw several people in the water after the collision.
The OPP says one of the injured has been airlifted to a Toronto-area hospital.
The search for the missing boater was called off late Wednesday night and will resume Thursday morning.