Updated

Six people were killed when the plane they were on crashed in Murrieta, California on Saturday, according to officials. 

The aircraft, a Cessna C550 business jet, went down near French Valley Airport around 4:15am local time, the Federal Aviation Administration confirmed to Fox News Digital.

The FAA confirmed to Fox News Digital that at least six individuals were on board at the time of the crash. 

The business jet was in route to California after departing from the Harry Reid International Airport in Las Vegas.

SOUTHERN CALIFORNIA PLANE CRASH KILLS 1, INJURES 3 OTHERS

Jet crash in Southern California

Footage shows the crash site of a Cessna C550 business jet that went down in Murrieta, California, killing those on board. (KCBS)

The six victims were pronounced dead on the scene, according to the Riverside County Sheriff's Department. 

The crash sparked a field fire in the surrounding area, which was quickly contained to one acre.

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Plane crash map cal fire

A map shared by CAL FIRE and Riverside County Fire Department marking the site of the Cessna business jet crash Saturday. (CAL FIRE/Riverside County Fire Department)

"Cessna aircraft down in a field, fully involved in fire," CAL FIRE reported via social media. "The fire burned approximately one acre of vegetation, was contained at 5:35 a.m. and the incident has been turned over to RSO and the FAA."

It's unclear what caused the plane to crash.

Jet crash in Southern California

Six people died after a jet crash near the French Valley Airport in California Saturday morning.  (KCBS)

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The National Transportation Safety Board is investigating the incident.