An Greenville County cyclist was seriously injured after a vehicle hit him from behind over the weekend and drove off. Now, troopers are looking for the driver.South Carolina Highway Patrol Trooper Joe Hovis said the hit-and-run crash happened Saturday about 2:30 p.m. on Fork Shoals Road at Reedy Fork Road, which is SC 50, near Quartz Circle, southeast of Donaldson Center Airport.Steve Duhon, 62, was