KILLINGWORTH — One person is dead following a residential structure Thursday night, according to a release.

Around 9:45 p.m., Connecticut State Police responded to 33 Bridle Path Trail on the report of a fire. Detectives from the state police Fire and Explosion Investigation Unit also responded to assist with the investigation, the release said.

After the fire was extinguished, a deceased person was located inside the residence. The Office of the Chief Medical Examiner will conduct an autopsy to identify the victim as well as the cause and manner of death, the release stated.

The release said the fire remains under investigation. State police detectives are assisting the Killingworth fire marshal with the investigation.