WFR responded to a 2 vehicle accident late yesterday morning. The accident happened at the intersection of S. Hwy 81 and 175th St.  A late model sedan rear ended a pickup pulling a dump trailer.  The sedan suffered extensive front end damage.  Watertown Fire transported 1 patient to Prairie Lakes Hospital and was responsible for cleaning up debris field and fluids leaking from the sedan.  The accident is under investigation by the South Dakota Highway Patrol.