In what has been deemed a suicide by witnesses and park officials, searchers are still looking for the body of a Utah resident who jumped off an observation deck overlooking the Yellowstone River Tuesday afternoon.
Witnesses say that the man, identified as 20-year-old Nicholas Mostert, was standing on the observation deck when he jumped into the river and traveled downstream and down the 308-foot Lower Falls, which feeds into the Grand Canyon of Yellowstone.
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