A Franklin County man was killed when a lawn mower he was riding overturned, pinning him underneath. 

Vernon Peterson, 67, St. Clair, died in the accident Saturday afternoon, June 21, The Franklin County Sheriff's Office reported. 

Deputies and ambulance personnel responded about 2:43 p.m. to a home in the 200 block of Bluegrass Ridge Road outside of St. Clair. 

It appeared that Peterson was cutting grass when his zero turn mower overturned, the sheriff's office said.