California wildfires seen from a plane as Trump declares major disaster

Video footage from the Air National Guard shows the scale of California's wildfires, which President Donald Trump has declared a major disaster.

Flames have caused widespread destruction, destroying homes and forests, and killing at least six people.

Around 560 fires are raging, including some of the largest blazes the state has ever seen.

Residents are being advised to stay at home to avoid the thick smoke.

Read more: Trump declares California wildfires major disaster