SANTA CLARITA, Calif. (KTLA) — The Powerhouse Fire in the Angeles National Forest dramatically increased in size overnight and was threatening homes on Sunday morning.
At least five structures were destroyed, according to officials with the Los Angeles County Fire Department.
Fueled by hot, dry conditions, the four-day-old fire has burned 19,500 acres and is only 20% contained.
The flames also injured three people, according to officials.
Authorities ordered immediate evacuations from San Francisquito Canyon Road up to Elizabeth Lake Road and areas south of Lake Hughes Road.
A Red Cross evacuation center was set up at the Marie Kerr Park recreation center at 2723-A Rancho Vista Blvd., Palmdale.
An evacuation site for large animals has been set up at the Antelope Valley Fairgrounds at 2551 West Avenue H in Lancaster.
Hundreds of firefighters and personnel continued to fight the flames, near Santa Clarita.
The fire broke out shortly before 4 p.m. on Thursday near a Los Angeles Department of Water and Power facility in Francisquito Canyon, near Drinkwater Reservoir.
A DWP power plant operator first noticed the fire and alerted the L.A. County Fire Department, DWP officials said.
About 900 firefighters were fighting the blaze Saturday, aided by air tankers and helicopters.