Firefighters fought a commercial fire near downtown Fresno on Monday morning.
The fire started in the middle of an abandoned store in the area of Belmont Avenue and Mariposa Street.
The building was once a vacuum and sewing store, but after the owner passed away, it became vaccant.
There were 10 people living inside, and they told arriving firefighters that one of them was unaccounted for.
After going into rescue mode to see if they could located the tenth person, firefighters found difficulty on the second floor as it was full of holes.
Firefighters switched to offensive mode to put out the fire. They have yet to find if the person was inside the building.
Neighbors said there have been three to four homes in the area that caught fire due to homeless people living in them.