The Saddleridge Fire, which started Thursday, has destroyed 31 homes and burned more than 7,500 acres, the Los Angeles Fire Department said.
The blaze is now 19% contained and thousands of evacuees were allowed to return home after evacuation orders were lifted Saturday.
The fire started around 9 p.m. local time Thursday and jumped the 210 and 5 freeways, and some parts of the roads were closed in both directions as orange embers lit up the night sky. By late Thursday it had gutted 60 acres; but some four hours later, it had grown to 4,600 acres, fire officials said.

Loretta Reel surveys the damage to her in-laws' home in the Porter Ranch area of Los Angeles on October 12.
Mindy Schauer/The Orange County Register/AP

A firefighter sprays water toward an advancing wildfire in Porter Ranch on Friday, October 11.
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Firefighters work to extinguish the Saddleridge Fire in Porter Ranch, California, on Friday, October 11.
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An aircraft drops fire retardant along a ridge in Newhall on October 11.
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Flames from the Saddleridge Fire burn on a hillside below homes on in Porter Ranch on Friday, October 11.
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A helicopter drops water in Porter Ranch.
Noah Berger/AP

Wind whips trees as firefighters battle the Saddleridge Fire in Porter Ranch.
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Firefighters battle a burning house in Porter Ranch in the early hours of October 11.
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Jerry Rowe uses a garden hose to fight fires near his home in Granada Hills, California, on Thursday, October 10.
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Los Angeles firefighters battle the Saddleridge fire near homes in Sylmar on October 10.
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Firefighters work to extinguish a house in the Porter Ranch neighborhood of Los Angeles on Friday, October 11.
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A woman evacuates her home with her cat in Granada Hills on October 11.
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A helicopter drops water in the Santa Monica Mountains in Newbury Park on October 10.
Michael Owen Baker/AP

The Saddleridge fire flares up near a firefighter in Sylmar on October 10.
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Newbury Park resident Jenalyn Sullivan carries her daughter Isla Sullivan, 3, on her shoulders October 10 as she notifies her family they are all right.
Michael Owen Baker/AP

Firefighters battle the fire in Sylmar on October 10.
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Firefighters work to contain a wildfire in Moraga on October 10.
Noah Berger/AP

Fires burn near a Frito-Lay distribution plant in Sylmar on October 10.
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