LIVINGSTON, Mont. (AP) — Authorities say a 74-year-old Texas man has been found dead in a river in southern Montana.

Park County Undersheriff Clay Herbst says the man was reported missing Wednesday night, and searchers used dogs and a helicopter equipped with an infrared system to comb the area. The man, whose name and hometown have not been released, was found dead in the Shields River early Thursday morning.

Investigators have not released any details about how he died.

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