The fire which ignited Thursday afternoon is spreading in the West Hills area.
At least 10 people are believed to be dead -- with the LA County sheriff saying he expects that number to rise -- as a series of devastating fires grow uncontained across Southern California amid dry and windy conditions, leaving officials scrambling to contain the historic destruction.
Thousands of firefighters are battling at least five sprawling wildfires spread around the Los Angeles area. The largest, the Palisades Fire, in Pacific Palisades, has scorched over 19,000 acres, destroyed thousands of structures and remains zero percent contained. The Eaton Fire, in Altadena, now stands at more than 13,000 acres and zero percent contained. More than 180,000 people have been ordered to evacuate as the infernos spread.
President Joe Biden on Wednesday approved a federal major disaster declaration for Los Angeles County.
The Hurst Fire -- burning in Sylmar, north of San Fernando -- expanded to 100 acres as of early Wednesday morning, the California Department of Forestry and Fire Protection said.
Santa Clarita City issued mandatory evacuation orders for four areas of the city -- Newhall Pass, Wildwood, Eternal and Calgrove.
-ABC News' Lissette Rodriguez
The Los Angeles County Office of Education reported Wednesday school closures in 19 districts due to spreading wildfires and related weather conditions.
Among them was the Los Angeles Unified School District, which announced that six schools will close on Wednesday "due to the fire activity across the greater Los Angeles metropolitan area."
In a statement, the district said Kenter Canyon Charter Elementary, Canyon Charter Elementary School, Marquez Charter Elementary School, Palisades Charter Elementary School, Paul Revere Charter Middle School and Topanga Elementary Charter School would all be closed.
Los Angeles' Griffith Park will also be closed, while classes at the North Hollywood High School's Zoo Magnet are cancelled, the district announcement said.
"Students at the six closed schools will pivot to continuity of learning where they will have access to academically enriching digital resources," the district said.
Los Angeles Unified said it would "continue monitoring the situation" and, if necessary, extend online learning into Thursday.
"The high winds and red flag warnings will remain through Wednesday and Thursday," it added.
"We urge everyone to be careful and cautious when commuting to school or work, especially in areas with extreme wind and heavy smoke. Please make the right decision for you and do not compromise your safety or security."
The fire that broke out at about 6:12 p.m. near Eaton Canyon in Pasadena had spread by midnight to about 1,000 acres, the Angeles National Forest said in an update.
-ABC News’ Marilyn Heck
The City of Pasadena issued mandatory evacuation orders for the area north of Orange Grove and Rosemead Boulevard, east of Lake Avenue and west of Michillinda Avenue as the nearby Eaton Fire continued to grow.
The city earlier said on its X account that those subject to emergency evacuation orders should go to the Pasadena Convention Center.
The Eaton Fire is burning in the hills northeast of the city, posing a direct threat to the northern suburb of Altadena.
