A thousand people were evacuated near Yosemite National Park in central California yesterday due to fires triggered by a weekend heatwave that are threatening hundreds of homes.
The blaze that began near Bass Lake has already burned 330 acres (133 hectares) in a matter of hours.
None of the fire has yet been contained, according to the authorities.
The blaze has already destroyed or damaged dozens of buildings, a CalFire spokeswoman told.
She said about 400 homes, or 1,000 people, have bene evacuated, adding that the 400 firefighters deployed were struggling to gain access to the site.