Firefighters discovered a deceased body inside of a home in Fullerton after an early morning blaze Friday, authorities said.
The body was found around 1 a.m. after firefighters responded to a fire in the 800 block of North El Dorado Drive, according to the Fullerton Police Department.
Firefighters extinguished the blaze and found the victim, a man believed to be the homeowner, police said.
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Firefighters said the fire appeared to have been contained within the bedroom.
Police confirmed the victim's wife had recently moved into a nursing home and was not at the residence at the time of the fire.
The victim was not identified.
The cause of the fire was under investigation.
Kevin Labeach contributed to this report.