Huntsville firefighters responded to a house fire on Sparkman Drive this morning.
Investigators say a passerby saw light smoke coming from home and tried to get someone to come to the door. No one responded, so they called for help.
When first responders got there, they found heavy smoke coming from the house. Officials say it started in a bedroom.
No one was in the home when it happened. There were no injuries.
There was smoke damage throughout home.
Investigators are still working to find the cause of the fire.