LOS ANGELES (AP) — Federal officials and Los Angeles police planned a news conference on Wednesday to announce a “significant development” related to the criminal investigation into last January's deadly Palisades Fire.

The fire that erupted on Jan. 7 killed 12 people and destroyed more than 6,000 homes and buildings in the Pacific Palisades , a wealthy coastal neighborhood of LA.

Attending the 9 a.m. news conference will be Acting United States Attorney Bill Essayli, LA Police Chief Jim McDonnell, and Special Agent in Charge Kenny Cooper of the Bureau of Alcohol, Tobacco, Firearms and Explosives. No details were provided ahead of time.

Investigators still haven’t determined the cause of that blaze or the Eaton Fire, which broke out the same day in the community of Altadena and kill

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