Hesperia Fire Explodes Over 1,100 Acres

The Hesperia Fire that started Saturday evening near Highway 173 in Summit Valley grew overnight to 1,130 acres with 5 percent containment, authorities reported.

On Sunday, firefighters on the ground and in the air continued to battle the blaze, fueled by high winds and highly combustible vegetation, according to Cal Fire.

The fire was first reported shortly after 6 p.m. Saturday along the 18000 block of Highway 173 near Arrowhead Lake Road, according to Cal Fire officials, who battled the blaze along with firefighters of San Bernardino County and other agencies.

The fire initially moved north from the highway. 173, and at 10 p.m. began pushing west, then east toward Arrowhead Equestrian Estates, which is under an evacuation order, according to Cal Fire and the County Sheriff's Department. San Bernardino County.

The fire forced the closure of the highway. 173 from the highway junction. 138, 6.9 miles east of the highway intersection. 18 at Arrowhead Lake Road, according to Caltrans.

Authorities initially reported that one structure was threatened by the wildfire, but that could change as the fire moves northeast toward Arrowhead Equestrian Estates and Lake Arrowhead Road.

A Cal Fire official told independent reporter Jose Gonzalez that the Mojave River Forks Regional Park on Hwy. 173 was initially evacuated when the fire started.