On Wednesday at approximately 8:30 p.m., Cal Fire together with Riverside County Fire responded to a residential structure fire in the 18000 block of Decker Rd in the unincorporated area of Mead Valley. Arriving crews located a manufactured home fully involved with exposures in multiple areas. Knockdown of the fire was achieved in approximately 30 minutes, with a slight delay due to downed power lines in the rear of the structure. One firefighter fell through the floor and sustained minor injuries. No other injuries were reported and the cause of the fire is still under investigation. Riverside County Sheriffs are handling the investigation.