State police at Fern Ridge are investigating the theft of a all terrain vehicle (ATV) in Monroe County.

Troopers said the ATV was stolen from the property of Chestnuthill Trailers, located along SR115, in Effort, Chestnuthill Township. Unknown criminals entered the property and removed a 2008 Polaris Outlaw 525S, white in color. The theft occurred sometime between July 22 and 28.