A second wildfire is burning out of control in the Los Angeles area, prompting more evacuation orders hours after another blaze tore through Pacific Palisades.

Tens of thousands flee L.A.'s Pacific Palisades neighbourhood as several wildfires burn out of control

Around 1,000 buildings destroyed by fire raging in Pacific Palisades area of LA, officials said - follow live

The Pacific Palisades fire is now the most destructive in Los Angeles city history, with an estimated 1,000 structures destroyed.

Fire hydrants ran dry in Southern California just when they were needed most, highlighting a major problem in firefighting.