(Ottumwa, Iowa) – The driver of a pickup truck was killed and three of his passengers were injured, during a single-vehicle rollover accident Sunday afternoon, in southeastern Iowa’s Wapello County. The Iowa State Patrol reports a 2008 Ford F150 pickup driven by 37-year-old Tristan C. Zimmerman, of Ottumwa, was traveling west on Highway 34, just west of the Highway 16 interchange at around 2:54-p.m., when the vehicle drifted off onto the north shoulder.

Zimmerman lost control of the pickup, causing it to enter the north ditch, where it overturned. Tristan Zimmerman was ejected from the vehicle, which came to rest upright in a  farm field. He was not wearing a seat belt. Three passengers, 32-year-old Shayla C. Zimmerman, a 3-year-old child, and a one-year-old child, were injured in the crash. Shayla was buckled-up, and the two children were secured in their child safety seats.

Shayla Zimmerman was flown by LifeFlight to the UIHC. The children were transported by ambulance to the hospital in Ottumwa.