Four people were injured in a single-vehicle rollover crash east of Mitchell on I-90 on Monday afternoon. The driver of the vehicle, 72 year old Clete Greseth of Santa Fe, New Mexico, was driving westbound when he lost control of his pickup. The vehicle entered the median, went airborne, and then rolled. Clete Greseth and his wife, Catherine Greseth suffered minor injuries in the crash. 53 year old Wade Greseth and his wife, 51 year old Shari Greseth, both of Hermosa, suffered serious injuries. The four were taken to Avera Queen of Peace Hospital. The accident is under investigation.