AUGUSTA, Maine - Maine police say a man accidentally backed over his 2-year-old grandson with a tractor, killing him.

State police say 54-year-old Raymond Rayeski Sr. was watching his grandson, Raymond Rayeski III, on Monday when the accident happened in the town of Burnam.

Investigators say the boy had been on the tractor with his grandfather before climbing off to play. The grandfather was cleaning up debris around a woodpile and dumping the items a short distance away and didn’t realize that the boy had walked behind the tractor.

Get Breaking News Delivered to Your Inbox

CBS Bangor affilitae WABI reports the grandfather was in the process of backing up when he ran the boy over.

The grandfather drove the boy to a hospital in Pittsfield, where he died.

Detectives have determined the death was a tragic accident.