Active Southern California wildfires turn deadly, force 100,000 to evacuate

PHOTO: Firefighters battle the Saddleridge fire in Sylmar, Calif., Oct. 11, 2019.PlayDavid Swanson/AP
WATCH Two dead in Southern California wildfires

An apocalyptic scene is emerging in Southern California after fast-moving wildfires broke out overnight, leaving two dead, destroying homes and forcing residents to flee.

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The infernos are closing some schools and even crippling Los Angeles freeways, leaving frantic drivers in bumper-to-bumper traffic.

PHOTO: A firefighter waits for water as the Saddleridge fire flares up near homes in Sylmar, Calif., Oct. 10, 2019. Michael Owen Baker/AP
A firefighter waits for water as the Saddleridge fire flares up near homes in Sylmar, Calif., Oct. 10, 2019.
PHOTO: Jerry Rowe uses a garden hose to save his home on Beaufait Avenue from the Saddleridge fire in Granada Hills, Calif., Oct. 11, 2019. Michael Owen Baker/AP
Jerry Rowe uses a garden hose to save his home on Beaufait Avenue from the Saddleridge fire in Granada Hills, Calif., Oct. 11, 2019.
PHOTO: Firefighters battle a wind-driven wildfire in Sylmar, Calif., Oct. 11, 2019. Gene Blevins/Reuters
Firefighters battle a wind-driven wildfire in Sylmar, Calif., Oct. 11, 2019.

The Saddleridge fire has engulfed over 7,500 acres in the San Fernando valley, just north of Los Angeles, and was 13% contained as of Friday afternoon.

It erupted at about 9 p.m. Thursday and moved at 800 acres per hour, officials said.

PHOTO: A man stomps on flames of the Saddleridge Fire in the Porter Ranch section of Los Angeles, in the early morning hours of Oct. 11, 2019. David Mcnew/AFP via Getty Images
A man stomps on flames of the Saddleridge Fire in the Porter Ranch section of Los Angeles, in the early morning hours of Oct. 11, 2019.

A cause has not been determined.

PHOTO: Wildfires from the Saddleridge Fire in northern California are seen from the air, Oct. 10 2019. Chris Cristi/KABC
Wildfires from the Saddleridge Fire in northern California are seen from the air, Oct. 10 2019.

The LAPD said 23,000 homes and 100,000 people are impacted by mandatory evacuation orders.

With roadways blocked, some residents fled their homes on foot at 3 a.m.

PHOTO: A woman evacuates her home with her cat as the Saddleridge fire threatens homes in Granada Hills, Calif., Oct. 11, 2019. Michael Owen Baker/AP
A woman evacuates her home with her cat as the Saddleridge fire threatens homes in Granada Hills, Calif., Oct. 11, 2019.

The Saddleridge fire has caused at least one death. A man died when he had a heart attack while trying to fight the fire himself, according to the Los Angeles County sheriff.

The blaze is unpredictable, LAPD Chief Michel Moore warned, and he urged those in evacuation areas to follow orders to leave. Residents will not be allowed back in until it is safe, he said.

A second person has died from a different blaze, the Sandalwood fire, which is burning in Riverside County, about 70 miles east of Los Angeles.

The Sandalwood fire has burned over 800 acres and is 10% contained.

It's forced over 500 to evacuate and has destroyed dozens of structures, officials said.

The Sandalwood fire started when a garbage truck caught fire and got in contact with nearby vegetation, officials said. Investigators are working to determine if there is any criminal culpability, officials said.

Those are just two of seven fires are burning in the Golden State Friday. Five of the seven are in Southern California, fueled by gusty winds blowing through the region.

PHOTO: Ozzy Butler pours water on to his deck at his parents house as the Saddleridge Fire burns along Thunderbird Ave. in Porter Ranch, Calif., Oct. 11, 2019. Wally Skalij/Los Angeles Times via Polaris
Ozzy Butler pours water on to his deck at his parents house as the Saddleridge Fire burns along Thunderbird Ave. in Porter Ranch, Calif., Oct. 11, 2019.
PHOTO: Randy Butler tries to protect his home as the Saddleridge Fire burns along Thunderbird Ave. in Porter Ranch, Calif., Oct. 11, 2019. Wally Skalij/Los Angeles Times via Polaris
Randy Butler tries to protect his home as the Saddleridge Fire burns along Thunderbird Ave. in Porter Ranch, Calif., Oct. 11, 2019.

Wind gusts reached 60 mph in Los Angeles County and 70 mph in San Bernardino County Friday morning.

Red Flag Warnings have been extended through Saturday evening for large parts of Southern California.

In Los Angeles, residents need to be prepared for the weather conditions to last through Sunday, Moore said.

PHOTO: Firefighters refill their truck with water along Sesnon Boulevard early Friday morning, Oct. 11, 2019, as flames burn on the hills in Granada Hills, Calif. David Crane/The Orange County Register via AP
Firefighters refill their truck with water along Sesnon Boulevard early Friday morning, Oct. 11, 2019, as flames burn on the hills in Granada Hills, Calif.

ABC News' Matt Gutman, Max Golembo and Alex Stone contributed to this report.