Chatham-Kent police are investigating an apparent act of mischief at a wind turbine on Mud Creek Line in Dover Township.
Police say it appears someone shot three rounds from a rifle at the wind turbine and officers have been able to locate and seize one of the rounds for forensic examination.
The damages are estimated at $50,000.
Investigators believe the windmill was shot sometime over the past few days, but they haven't been able to identify a suspect yet.
Anyone with information is asked to contact police or Crime Stoppers.