The Deschutes County Sheriff's Office said the person discovered the grenade at the side of Burgess Road in La Pine just prior to 3 p.m. Saturday and alerted authorities, KPTV, Portland, reported Tuesday.
The Oregon State Police Bomb Squad was called to the scene and identified the object as a military training grenade that had been reactivated. Investigators said it appeared to have been on the side of the road for a long period of time and likely was not meant to target a person.
The origins of the object were being investigated.
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