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.

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.

Two people were arrested in Pacific Palisades Saturday for allegedly using a firetruck bought at an auction to impersonate firefighters at a checkpoint reserved for crews responding to the deadly Palisades Fire.

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,

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 first snow totals are in and Sunday’s storm is delivering in a big way for parts of New York and New Jersey. After a brief afternoon lull, snow began picking back up in New York City and will continue as temperatures drop below freezing Sunday evening.

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.

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.

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.

With fire containment improving and winds dying down, some residents are being allowed back into neighborhoods devastated by the Eaton and Palisades fires.

Firefighters continued their efforts on the Palisades and Eaton fires on Saturday, hoping to make as much progress as possible before another round of fire weather is expected to return next week.