Firefighters found a man dead in a house east of downtown Fort Worth.
There was an explosion when firefighters arrived around midnight at the house near Finley Street and Sylvania Avenue.
Neighbors say an elderly man lived in the home, but investigators have officially determined that he was the victim.
A dog was also killed in the fire.
The cause of the fire is still under investigation.
The fire department said there were no smoke detectors in the home.