A sanitation worker was smacked in the head with a pipe on Saturday when he chased a burglar through a sanitation facility, sources said.

The 60-year-old superintendent was closing up the facility Saturday around 11 p.m. in Woodside when he saw a man leaving an office wearing a sanitation jacket that had a badge on it, sources said.

The worker yelled and ran after the suspect who picked up a pipe and threw it at him, striking him in the head.

The assault suspect then dropped the jacket and fled, sources said.

The victim was taken to the hospital and treated for a head wound. The sanitation department was checking to see if anything was stolen.