STEVENSVILLE, Mont. (AP) -- Authorities in Ravalli County say a 5-year-old boy died after falling from a moving farm tractor near Stevensville.

The Ravalli County Sheriff's Office says the name of the child is being withheld pending notification of family.

Lt. Steve Holton said the child lived in Stevensville and was riding on the tractor's running board when he fell and was run over by the rear tractor tire.

He says the tractor was being driven by an adult who is not the child's parent. The boy died at the scene.

Holton says it appears to be a tragic accident but it is still under investigation.

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Information from: Missoulian, http://www.missoulian.com

Copyright 2009 The AP.