Concordia ? A rural Concordia man died after he was pinned under a riding lawn mower while mowing a neighbor’s lawn.

The Cloud County Sheriff says passing motorists tried to help 63-year-old Bob Johnson, but he died at a hospital after the accident on Saturday.

Johnson was mowing a steep slope near the road when the mower tipped over and rolled, landing on top of him.

Witnesses were able to get the mower off of Johnson but he died at the hospital.