The SigAlert was expanded at 6:45 a.m., shutting down the freeway in both directions from the 10 Freeway to the 101 Freeway, the CHP stated.
More than 220 firefighters are on the scene, with assistance from a water-dropping helicopter from the Los Angeles County Fire Department.
Local news affiliate NBC4 reported Wednesday that the estate, located on a vineyard outside of Los Angeles and across the 405 freeway from the Getty Museum, was "burning down". The Strike team was assigned to the Creek Fire in Los Angeles County.
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LAFD Chief Ralph Terrazas noted that red flag conditions are expected to remain in effect at least through Friday, with gusting Santa Ana winds presenting a continuing danger of rapidly spreading blazes.
Farther north, in Santa Clarita, firefighters were making significant gains against the Rye fire that had burned toward Magic Mountain on Tuesday afternoon. Padilla said she and her family were able to get out of her home just in time but were not able to take their horses with them as they had to evacuate immediately when they were awakened Tuesday morning. Residents living west of the 405 should brace for evacuations as well in the event the flames cross the freeway. The Skirball Fire is in mostly residential areas causing evacuation, and UCLA students were given the option to go to class.
A temporary evacuation center was set up at Hansen Dam. The Pomona Fairplex and the Antelope Valley Fairgrounds in Lancaster also opened stables for evacuated animals. The fire affected a number of schools in the Los Angeles Unified School District, prompting the closures of 14 campuses in the fire area today.
Southern California faces another day of horrifying fire and destruction as the devastating Skirball fire moves west toward Los Angeles.