(Lewis, Iowa) – The male operator of a motorcycle was injured Friday night in Cass County (IA), when the machine failed to negotiate a curve, entered a ditch and rolled at least twice. According to the Cass County Sheriff’s Office, the accident happened at around 10:22-p.m., Friday, at Oxford Road and Lewis Road.

The unidentified man was flown by air ambulance to the University of Nebraska Medical Center, for treatment of what were described as life-threatening injuries. The accident remains under investigation. Cass County Sheriff’s Deputies were assisted at the scene by Cass EMS, the Griswold and Lewis Fire Departments, and Life Flight, out of Audubon.