A boy from the eastern Iowa town of Clinton has died — one day after being hit by a car. The driver is still at large.Police and emergency crews were called to the scene of the car-versus-pedestrian accident Tuesday night. A four-year-old boy, Joshua Yoder, was taken to the local hospital, then transferred to University Hospitals in Iowa City, where he died on Wednesday. Police say witnesses saw a medium blue mid-90s Chevy Corsica speed away from the scene. The public’s help is being sought in finding the car or the driver.