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HELENA, Mont. • Montana wildlife officials say a 38-year-old mountain biker who was killed by a bear riding just outside Glacier National Park likely collided with the bear before he was attacked.

Following an investigation, they have removed bear traps and cameras used to find the bear, and they called off the search.

Brad Treat, who was a law enforcement officer with the U.S. Forest Service, was found dead Wednesday by officers at the scene of the mauling. Treat's riding companion reported the incident and was not attacked.

Wildlife response team investigator Brian Sommers says he believes Treat was riding at a high rate of speed along a narrow trail and hit the bear.

Authorities say visibility was limited and they believe the collision was unavoidable.