RIVER FALLS, Wis. (AP) – A school bus in western Wisconsin has run over a 12-year-old boy and injured his legs.        The accident happened shortly before 5 p.m. Friday in River Falls.  Police Sgt. Jon Aubart tells the St. Paul (Minn.) Pioneer Press (http://bit.ly/O9sPl3) that Jacob Wheeler was crossing a street when the bus turned left and struck the boy.   Aubart says the bus knocked Jacob to the ground and the rear wheels ran over his legs.  No children were on the bus. The driver was not cited.        A hospital spokeswoman says Jacob is in fair condition Monday at Gillette Children’s Specialty Healthcare in St. Paul.

—      Information from: St. Paul Pioneer Press, http://www.twincities.com