MITCHELL, S.D. (MITCHELLNOW) Police are investigating a vehicle rollover that happened around 5 p.m. Thursday at Fourth Avenue and Davison Street. A Pontiac Bonneville flipped in the middle of the road after hitting another vehicle. Witnesses reported seeing a Native American male with black hair, wearing a black shirt and pants, flee the vehicle and run west through an alley. The person has not yet been located, and police are working to identify the driver. The incident remains under investigation. For more crime stories from MitchellNow.com, click here.