Darlington police are investigating a lawn mower accident that occurred on Hill Street on Wednesday, June 29. Officers were dispatched to a report of a riding lawn tractor accident at approximately 3:17 p.m. The initial investigation revealed a lawn tractor operated by William Weinbrenner, age 70, somehow drove over a 15’ tall landscape wall and landed upon a driveway below. The lawn tractor came to rest on top of Weinbrenner. A passerby lifted the lawn tractor off Weinbrenner and summoned help. Rural Medical Ambulance Service transported Weinbrenner to Memorial Hospital of Lafayette County before being transferred to UW Hospital in Madison by Medflight. The Lafayette County Sheriff’s Department assisted at the scene.