Officials say a man who tried to enter the Palisades fire zone claiming to be a volunteer firefighter was a convicted arsonist in a decommissioned fire truck.

Deputies say that the two claimed to be members of the "Roaring River Fire Department" in Oregon and that the firetruck they were driving was purchased through an auction.

Los Angeles authorities arrested a couple and impounded their fake fire truck after they were allegedly caught impersonating firefighters near the Palisades Fire. (Los Angeles County Sheriff's Dept.) Officials said the two occupants were also wearing CAL-Fire t-shirts under the turnout gear, and had helmets and radios.

So far, the probe is focusing on potential human causes, which could include arson, fireworks, unauthorized camping or a rekindling of an earlier fire, law enforcement sources said.

Jan. 8, 1:25 p.m. PST The Palisades Fire in Los Angeles’ Pacific Palisades—an affluent coastal neighborhood—exploded to 15,832 acres, according to Cal Fire, making it the largest fire of the four burning in Los Angeles County as of Wednesday afternoon.

The Eaton and Palisades fires’ rampage through Los Angeles has killed at least 27 people, destroyed more than 12,000 structures and put more than 80,000 under evacuation orders.

Firefighters are still working to contain the Palisades Fire as weather conditions improve this week and search efforts continue in the wildfire which has killed at least 10 people and burned over 23,

Million Dollar Listing" star Josh Altman tells Fox News Digital how the Los Angeles fires have affected residents of the Southern California town.

A man and a woman from Oregon were arrested over the weekend for reportedly impersonating firefighters as they attempted to enter a Palisades Fire evacuation zone in what appeared to be a

Palisades Fire initially started 10:30 a.m. Jan. 7 in Los Angeles County. It has burned 23,713 acres after being active for 12 days. A crew of 5,677 firefighters has been working on site and they managed to contain 52% of the fire by Sunday morning. The blaze's cause remains under investigation.

The destructive wildfires in the Los Angeles area are among the largest there in recent memory. See them plotted on other cities with this interactive map.

Firefighters are battling the fast-moving, destructive Palisades fire. Here are details on evacuations, road closures, shelters.