A 64-year-old man was found dead following a house fire in Hopatcong, authorities said.

Police identified the victim as Robert Powers.

Hopatcong's 911 dispatch center received a report of a structure fire on Lakeside Avenue early Monday morning. First responders arrived to find the house already "fully engulfed in flames with heavy smoke conditions," the borough police department said in a Facebook post.

Two police officers were treated for smoke inhalation at a hospital and have since been released.

Authorities have not yet said what sparked the fire.