An explosion inside a roof-mounted AC unit at Country Meadows Care Facility in Hershey has wounded one person.
Fire officials at Derry Township Fire said the person injured was a private contractor who was was working on the AC unit at the time of the explosion. He was able to come down from the roof on his own and his injuries do not appear to be life threatening.
No residents or facility staff were injured and there was no need for an evacuation.
Fire officials were called after the explosion was reported around 2:30 but did not find any fire.
The contractor plans to do their own internal investigation of the incident.