Maricopa County Sheriff's officials are investigating a deadly house fire in Surprise.
Officials say the fire was brought to their attention around 9:30 p.m. Tuesday in the area of Citrus and
Fire crews were able to extinguish the blaze, but a guest building on the property had collapsed. A homeowner said she heard a loud explosion before it caught fire.
Crews learned that a man who lived in the guest house was nowhere to be found, until they found what appears to be human remains in the debris.
Arson investigators are working to determine the cause of the fire. No cause has been determined at this time.
Stay with ABC15 for updates.