A wildfire that quickly grew to 200 acres near the base of the Cajon Pass prompted mandatory evacuations Tuesday, authorities said.
The department said mandatory evacuations were ordered for Glen Helen Road between the 15 Freeway and Swarthout Canyon Road.
The mandatory evacuations will be changed to voluntary at midnight tonight.
Structure defense will remain in place, the department said.
The fire was reported at 3:51 p.m. was spreading at a “moderate to rapid rate,” according to a post about the fire on the interagency site InciWeb.
About 200 firefighters were working the blaze in 85-degree heat and winds of about 18 mph, the post stated.
Aerial video showed multiple helicopters and fixed-wing aircraft battling the flames, which were growing in mountainous terrain at the edge of the San Bernardino National Forest.
An evacuation center was set up at Jessie Turner Health & Fitness Center at 15556 Summit Ave. in Fontana. Small animals were being accepted at the Devore Animal Shelter, according to the county fire department’s tweet.
Meanwhile Tuesday, firefighters working about 35 miles to the west continued to work to contain the 250-acre Madre Fire in the San Gabriel Mountains above Azusa.
Check back for updates on this developing story.