Mt. Pleasant Police are asking for help in locating a truck involved in a hit and run accident that occurred Thursday morning. At about 8:40 am police were called to the intersection of Jefferson and Monroe streets. Bethany Knudsen was hit by a newer model candy apple red Ford F150 pickup while she was walking east in the crosswalk. The truck then left the scene southbound on Jefferson. Knudsen was taken by private vehicle to HCHC for treatment of injuries. Anyone with information is asked to contact police at 319-385-1450.