Search underway for missing swimmer in Seeley Lake, Montana; multiple agencies involved.

Missing swimmer search underway in Seeley Lake, Montana; multiple law enforcement agencies, including Seeley-Swan Search & Rescue, Missoula County Search & Rescue, and Missoula County Sheriff's Office Deputies, are involved in the search. Public asked to avoid Seeley Lake Campground area. No details on missing swimmer's identity or circumstances released yet.