Firefighters responded to a wind-driven brush fire that burned at least 700 acres in Hesperia on Saturday.
The fire was reported around 6:50 p.m. off Highway 173, near Silverwood Lake, according to Cal Fire. As a result of the blaze, an evacuation warning was issued for Lake Arrowhead Equestrian Estates.
Crews are battling the fire as winds of 15 to 20 mph pose a challenge for firefighters. It is unclear what caused the blaze.
The fire in Hesperia follows a massive brush fire in Gorman, where at least 4,400 acres burned as of 9 p.m. Saturday.