An accident in Clay County sent two people to the hospital and was fatal for another.  The accident occurred at about 8:30 p.m. Tuesday near the intersection of Highway 69 and 112th Street.  The Highway Patrol reports Dora Zimmerman, 79, of Liberty, failed to yield to an on-coming vehicle driven by Sarah Weppler, 18, of Excelsior Springs.  The Zimmerman’s vehicle was struck in the passenger side.  A passenger in the Zimmerman vehicle, Charles Tinkey, 61, later died at an area hospital.  Zimmerman and Weppler were transported to Liberty Hospital with moderate to serious injuries.