Fire

A brush fire burned 277 acres on July 25 and 26.  No structures were burned.  (Contributed photo by Fontana Police Department)

A brush fire burned 277 acres in the hilly areas of southern Fontana and neighboring Riverside County during the weekend of July 25 and 26, according to the San Bernardino County Fire Department.

No homes were damaged and no injuries were reported.

On July 25, San Bernardino County Fire units were dispatched to a reported vegetation fire in the Jurupa Hills near Sierra Avenue in Jurupa Valley. Due to the proximity of the San Bernardino/Riverside county line, CAL FIRE/Riverside County Fire sent a full response as well, including aircraft.

Units from both agencies arrived on scene and found two spots burning in light to medium fuels at a rapid rate of spread. Due to the fire burning in both jurisdictions, incident commanders entered “unified command.” The unified commanders worked hand in hand to determine tactics, strategy and order adequate resources to suppress the quickly moving fire.

The fire quickly spread up the hillside, burning toward Fontana. Crews anchored in, working on perimeter control while crews scouted ahead of the fire to forecast structure threat. While scouting, crews found seven homes that would be impacted.

San Bernardino County Fire ordered 10 engines for structure defense. Eventually, more that 15 engines were ordered for structure defense along Jurupa and Alder avenues in southern Fontana. Ground and air crews coordinated their attack to slow the spread and provide a buffer zone around structures. By nightfall, the fire had spread to more that 250 acres. Crews remained on scene throughout the evening working on perimeter control, containment lines and mop-up.

Crews remained on scene throughout Sunday, working toward 100 percent containment. By nightfall, mop-up was complete and the fire was 97 percent contained.

Investigators are seeking to determine the cause of the blaze.

Fire agencies from Rancho Cucamonga, Ontario, Colton, Redlands and Rialto all provided mutual aid. In total, more than 50 engines and 250 firefighters worked to put out the Karen Fire.

"Remember to maintain a defensible space for your home and property. Keep your property lean and green to help protect your family and home," said San Bernardino County Fire Department Public Information Officer Michael McClintock. "Defensible space is essential to improve your home’s chance of surviving a wildfire. It’s the buffer you create between a building on your property and the grass, trees, shrubs, or any wildland area that surround it. This space is needed to slow or stop the spread of wildfire and it helps protect your home from catching fire -- either from direct flame contact or radiant heat. Defensible space is also important for the protection of the firefighters defending your home."

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