Emergency crews are responding to a fatal crash reported in the Angeles National Forest on Thursday morning.

The incident was reported shortly before 8 a.m. after a county worker saw the car leaning over a cliff in the area of Chantry Flats Road near the Santa Anita Dam, a Los Angeles County Sheriff's Department spokesperson said.

One fatality was confirmed, but search and rescue teams are in the area to check the hillside for any other possible victims, the spokesperson said.

It was unclear what caused the car to go over the side.

Mike Case in Sky5 is headed to the scene.

Check back for updates on this developing story.

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