One firefighter with the Los Angeles County Fire Department was killed while battling a vehicle fire in the Littlerock area of the Antelope Valley, a senior official with direct knowledge confirmed with the NBC4 I-Team Friday.
The source said the firefighter was trying to put out flames from a large tractor, which may have exploded, in a rock quarry at around 2 p.m.
The chief of the LA County Fire Department is said to be heading to the Antelope Valley Hospital.
This is a developing story.