Patrick A. Robertson, 18, of Fort Huachuca, Ariz., suffered serious injuries when he was ejected from an ATV he was driving at 1 p.m. Friday, June 23, in rural Monroe County, Mo.

Patrick A. Robertson, 18, of Fort Huachuca, Ariz., suffered serious injuries when he was ejected from an ATV he was driving at 1 p.m. Friday, June 23, in rural Monroe County, Mo.

He went by ambulance to the University Hospital in Columbia, Mo., according to the Missouri State Highway Patrol.

Officers reported Robertson was driving a 2014 Arctic Cat ATV on Monroe County Road 169 south of Monroe County Road 124 and one mile northwest of Holliday. He lost control of the vehicle, which overturned, and he was ejected.

The State Patrol was assisted at the scene by the Monroe County Sheriff's Department, the Monroe County Fire Department and ambulance personnel.