A Sidney man suffered serious injuries in a one-vehicle crash on State Route 47 in front of Benjamin Logan Sunday night at 6:45.
The Logan County Sheriff's Office reports that Michael Smith, 23, of 202 South Vandemark Road, was driving a '96 Chevy Corsica westbound on 47 when he went off the right side of the road, then drove through the school yard and struck a concrete light post.
Smith, who was not wearing a seat belt, was transported from the scene by MedFlight to Grant Medical Center in Columbus.
A medical condition may have been a factor in the crash.
Smith's vehicle suffered heavy damage.
Rushcreek Fire and EMS assisted at the scene.
Deputies continue their investigation.