The blazes come amid prolonged dry and hot conditions in the western United States which have also led to fires in Washington state, Oregon and Idaho.

A fire engine drives past a fire on a highway near Fresno, California (Noah Berger/AP)

A car sits burnt out after a blaze near Brewster, Washington (Tyler Tjomsland/The Spokesman-Review/AP)

San Francisco’s Golden Gate Bridge is barely visible through smoke from nearby fires (Eric Risberg/AP)

A scorched car rests in a clearing following the Bear Fire in California (Noah Berger/AP)

A Coast Guard helicopter flies above the setting sun while patrolling the waters near the Golden Gate Bridge (Jose Carlos Fajardo/Bay Area News Group/AP)

Three chairs are all that remain at the post office in Gates, Oregon (Mark Ylen/Albany Democrat-Herald/AP)

Firefighters watch a fire approach in Oroville, Calif, California (Noah Berger/AP)

Smoke from California wildfires obscures the sky over Oracle Park as the Seattle Mariners take batting practice before their baseball game against the San Francisco Giants (Tony Avelar/AP)

A man takes pictures of the sun through thick smoke in San Dimas, California (Jae C Hong/AP)

Flames shoot from a home in Butte County, California (Noah Berger/AP)
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