Authorities are investigating after a fire at an assisted living facility in Mesa Wednesday night.
The fire started around 7:30 p.m. near Brown and Grand Roads.
Mesa firefighters told ABC15, when they arrived on scene, they found a 71-year-old man deceased inside his apartment.
Officials are still trying to determine if the man died from the fire or a medical condition.
Fire officials said they were able to quickly extinguish the blaze which was isolated to the victim's unit.
The cause of the fire is still under investigation.
The victim has not yet been identified.