The official cause of the fires remained under investigation Friday, officials said.Start the day smarter. Get all the news you need in your inbox each morning. A Red Flag Warning was in effect through Friday for areas of Los Angeles,

The Palisades and Eaton wildfires also continue burning in the Los Angeles area, leaving parts of Southern California with devastating fire damage.

The Hughes fire has prompted mandatory evacuations in Castaic, California, as the fire has a "rapid rate of spread" Cal Fire said.