Investigators probe possible ignition sources in Californian blazes - as it happened

This blog has now closed but you can find all our coverage of the wildfires in California here.

A video shows a fire tornado spotted in the Palisades blaze:

As is noted in our news report on the California wildfires, at least 20 arrests have been made for looting. Officials have imposed a mandatory curfew in evacuation zones as well as in the city of Santa Monica, which is next to Pacific Palisades.