Chillicothe police are asking the public for help in tracking down a driver involved in a hit-and-run accident on Monday.  Officers said the crash occurred at the intersection of Washington and Bryan Streets.  The driver who fled the scene was driving a small, two-door tan vehicle.  Evidence left at the scene suggested the vehicle sustained damage to the right rear.  Anyone with information is being asked to call the Chillicothe Police Department at (660) 646-2121.