A search is underway for a person missing two days after their car crashed off a cliff in Ventura County

Authorities began searching for a missing person Monday afternoon after learning that a car had plunged hundreds of feet down a steep cliff near Point Mugu two days earlier.

It’s unclear why one of the vehicle’s occupants waited days to report the incident, which occurred Saturday on Deer Creek Road northwest of the Malibu border, according to the Ventura County Fire Department.

The person who eventually reported the accident managed to extricate themselves from the damaged car and leave the scene in another vehicle – but did not call 911 that night, the fire department said.

Fire officials told OnScene.TV that a white Cadillac SUV rolled over several times before ending up on its roof 1,000 feet below the road.

On Monday afternoon, the occupant reported that two people who were in the car during the incident were missing and a search was launched. Shortly after the search began, one of the passengers was found at home, the fire department said.

Authorities searched into the night for the third occupant using a helicopter, drones, K-9 teams and search and rescue teams, officials said.

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This story originally appeared in the Los Angeles Times.