Los Angeles (CNN) — An arrest has been made in the investigation of the deadly Los Angeles fire that ravaged parts of the Pacific Palisades earlier this year, a law enforcement source familiar tells CNN.

Authorities are expected to announce details of the charges today.

The official determination for the blaze was previously “ under investigation .”

California Attorney General Rob Bonta told CNN earlier this year there were “some indications that arson is a possibility that we have to be open to.”

Fifteen members of the Bureau of Alcohol, Tobacco, Firearms and Explosives’ National Response Team headed up the investigation into the fire’s “cause and origins,” according to ATF deputy assistant director Tim Jones.

The Palisades Fire began the morning of January 7. Six days earlier

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