(Mandan, ND) — Four teenage girls in Mandan were injured in a single-vehicle crash Wednesday afternoon. Police say the SUV they were in was traveling at a high rate of speed before it jumped a curb, and then crashed into a tree and retaining wall. A 16-year-old in the SUV suffered serious but non-life-threatening injuries, while the other three had minor injuries. The girls were reportedly on their way back to class at Mandan High School at the time of the crash.