ARROYO GRANDE -- Five Cities fire and CalFire responded to a fire that broke out early this morning in Arroyo Grande.
It started about 2:30 this morning on Chilton Drive just off Oak Park.
Firefighters confined the fire to a downstairs bedroom in only 10 to 15 minutes before completely putting it out.
The home owner says a malfunctioning electric blanket caused the fire.
Neighbors helped put the fire out with garden hoses until fire-fighters arrived.
Investigators are now assessing the damage.