LANCASTER COUNTY, Pa. (WHTM) – A man has died after a tree trimming incident in Lancaster County on Tuesday.

According to Manor Township Police, a tree-trimming employee was killed by a falling limb near the intersection of Redwood Drive and Stone Mill Road around 12:30 p.m.

Police say the victim was stuck in a ladder bucket after part of a tree fell on him. Firefighters used a ladder truck to reach the man and determined he was deceased.

The Lancaster County Coroner’s office identified the worker as 42-year-old Danh Tran of Mount Wolf and said he died of mechanical asphyxia.

Police say the Occupational Safety and Health Administration is investigating.

Blue Rock Fire and Lancaster EMS assisted police at the scene.