APPLETON, Maine (AP) Police say a riding lawnmower apparently tumbled from a retaining wall, killing a woman in the town of Appleton.

The Knox County Sheriff’s Department says 59-year-old Doreen Robbins was discovered underneath the mower by a family member on Saturday.

The exact circumstances of the death are being investigated but deputies believe the mower fell from a 5-foot retaining wall.

Earlier this month, a teen was fatally injured when he became trapped between a riding lawnmower and a parked boat on Peaks Island.