VIDEO: Fire officials are investigating the cause of a house fire that left one person dead and threatened others houses around. DeKalb County fire officials said they were called to the home on Berryside Drive in Lithonia around 5:20 a.m. and they arrived, the flames were so intense that firefighters were unable to enter offensive mode. Firefighters said the intense fire damaged homes next door. When crews were able to get the fire under control, they found the remains of a person inside. Officials do not know who the victim is or how the fire started. The fire is under investigation.