(Cascade, Iowa) – The Iowa State Patrol reports four people were injured Saturday night, when the pickup truck they were in went out of control and rolled into a ditch before landing on its wheels. Three of the four occupants were ejected from the vehicle. None of the injured were wearing a seat belt.

The Patrol says the accident happened at around 9:36-p.m. on southbound 9th Avenue near Cascade, when the driver lost control of the 2011 Chevy Silverado pickup.

Two of the injured were transported by helicopter to the University of Iowa Hospitals and Clinic, two other were transported by Cascade EMS to Finley Hospital in Dubuque. No names have been released as of this report. The crash remained under investigation.