The investigation is critical for not only understanding what happened, but for ensuring it never happens again, said an attorney for 300 Altadena residents.

As the Eaton fire spread, many areas were notified of evacuation warnings and orders well in advance. In the heart of Altadena, where all 17 reported deaths occurred, evacuation orders came hours after fire did.

All of the 17 deaths confirmed in the Eaton Fire occurred in an area where an evacuation order was delayed for hours after the blaze erupted, according to a Los Angeles Times report.

Updating maps of Southern California show where wildfires, including the Palisades and Eaton fires, are burning across Los Angeles.

The Palisades fire — which has invaded Pacific Palisades, Malibu and Topanga and Mandeville canyons — was 63% contained. Firefighters inched further on the Eaton fire — which has caused destruction in Altadena, Pasadena and Sierra Madre — achieving 89% containment, according to Cal Fire.