Three Mile Harbor Road in East Hampton was closed on Monday afternoon at around 4:30 p.m. after a bicyclist was struck by a silver Kia. Fernando Sanchez, 40, collided with the front end of the car and suffered serious injuries, according to Captain Chris Anderson of the East Hampton Town Police Department. The road was closed for several hours, and the bicyclist was airlifted to Stony Brook University Hospital. Capt. Anderson said the cyclist entered Three Mile Harbor Road from Muir Boulevard without yielding or stopping for traffic. The accident was called in at 4:24 p.m.ELIZABETH VESPE