A single vehicle crash involving a grain semi last night left one injured. The crash happened at the corner of Terminal Ave and Airport RD near the Ottumwa Regional Airport at round 7pm last night. The cause for the accident remains unclear, the truck continued through a stop sign and about 100 feet into the empty field. The driver was taken by ambulance to Ottumwa Regional Health Center, his or her condition is unknown at this time. Ottumwa fire, Wapello County fire, ORMICS, the Wapello County Sheriff Dept, Ottumwa Police Dept, and Iowa State Patrol all responded.