A collision in Johnson County Tuesday morning sent two people to an area hospital with serious injuries.  The crash occurred around 5:30 a.m. on Highway 50 at Route Z.  According to the crash report, William Corum, 68, of Bates City, turned into the path of a vehicle driven by Mark Hammond, 51, of Sedalia.  Hammond was unable to stop and hit Corum on the driver’s side.  Both men were transported to Research Medical Center.