A raging blaze that has swept out of control and burned an area almost the size of Los Angeles has been declared the largest wildfire in California’s history.
Twin fires being treated as a single incident are currently threatening more than 11,000 buildings. In total about 14,000 firefighters are battling more than a dozen incidents across the state, according to the Department of Forestry and Fire Protection.
One of the wildfires, 225 miles (360 kilometers) north of San Francisco, was ignited two weeks ago by sparks from the steel wheel of a trailer being towed with a flat tire.
Climate and fire experts blame hotter weather for drying out vegetation, which helps fires to spread quickly. The expansion of towns and cities into previously undeveloped areas also plays its part.