Firefighters were slowly making progress in their battle to contain the inferno that has razed swathes of Los Angeles' Pacific Palisades neighborhood to the ground, but still-spreading flames threatened communities in the populous San Fernando Valley on Sunday.

Orange smoke from the Palisades Fire rose above homes in San Fernando Valley. Footage shows the massive plume looming over the fire that razed neighbourhoods when the first evacuation warnings for Tarzana and Encino were raised on0.