A mix of tornado winds are fire burning out of control in southern California has given rise to phenomenon US media outlets have dubbed 'fire-nados'.
One blaze, in the city of San Marcos, has burned over 700 acres and is being made worse by high temperatures.
Firefighters are gaining ground on a number of other fires in the region. A total of nine different blazes are forcing the evacuation of tens of thousands of people as the air quality drops due to the smoke wafting over the area.
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