MISSOULA, Mont. -

Search crews spent the day Sunday looking for a drowning victim on a lake in northwest Montana.

The Lincoln County Sheriff tells us an adult male fell off a boat Saturday on Middle Thompson Lake, 45 miles southeast of Libby.

Flathead and Lincoln County Search and Rescue, Fisher River Volunteer Fire/Rescue, and a helicopter from Two Bear Air all helped in the search, but so far, no body has been recovered.