RIVERVIEW – Officials from three agencies are investigating a tragic discovery Saturday morning.

Hillsborough Fire Rescue responded to a mobile home fire at 11901 Gordon Drive just before 6AM. Firefighters quickly kept the fire from spreading, but made a terrible discovery, the bodies of three adults in the bedroom.

Officials will not say whether the deaths were from fire or other matters. They say a thorough investigation will have to be completed before making a determination.

All the adults lived at the residence.

The State Fire Marshals Office, along with Hillsborough County Fire Rescue and Sheriff’s Office are investigating.