Investigators are considering an array of possible ignition sources for the fires that have killed at least 10 people and destroyed thousands of structures in California.

Some residents in the Altadena neighbourhood have been returning to find their homes completely destroyed in the wildfires which ravaged the Los Angeles area this week.

The death toll from the worst wildfire in California history continued to rise, with the Los Angeles medical examiner reporting Thursday night that 10 people have died as a result of the blazes.

Dozens of seniors from multiple assisted living facilities and nursing homes had to be rushed out into the streets as a fast-moving wildfire closed in on Tuesday night. The Eaton Fire started in the Angeles National Forest but fueled by high winds,

Hundreds of evacuees from the devastating Eaton fire gathered in hallways of the Pasadena Convention Center on Wednesday, Jan. 8, amid gray, smoky skies, while ash rained down outside of the glass doors.