In pictures: Northern California fires

News imageGetty Images Smoke billows from a neighbourhood that was destroyed by a fast-moving wild fire in Santa Rosa, California, 9 OctoberGetty Images
The state's fire service has been battling 15 separate fires across nine counties including Napa, Sonoma and Yuba.
News imageGetty Images A man battles to save his home pictured through the flamesGetty Images
Some people have tried to save their homes from the flames, which have engulfed some 49,000 acres (28,000 hectares) so far.
News imageAFP Fire glows on a hillside in Napa, California on October 9, 2017, as multiple wind-driven fires continue to whip through the region.AFP
Napa, Sonoma and Yuba make up California's famed wine region, lying to the north of San Francisco.
News imageAFP A truck burns as fire ravages the Napa wine region in California on October 9, 2017, as multiple wind-driven fires continue to whip through the regionAFP
At least 1,500 buildings and other property have been destroyed.
News imageReuters A DC-10 aircraft drops fire retardant on a wildfire in Orange, California, 9 OctoberReuters
Aircraft have been used to drop fire retardant
News imageGetty Images Cows stand on a patch of unburned grass after an out of control wildfire moved through the area on October 9, 2017 in Glen Ellen, CaliforniaGetty Images
The California governor has declared an emergency. saying the wildfires "continue to threaten thousands of homes, necessitating the evacuation of thousands of residents".
News imageGetty Images The remains of fire damaged homes after an out of control wildfire moved through the area on October 9, 2017 in Glen Ellen, CaliforniaGetty Images
This is one of the worst fires in the state's history.
News imageGetty Images Fire consumes a home as out of control wildfires move through the area on October 9, 2017 in Glen Ellen, CaliforniaGetty Images
It has been stoked by a combination of strong winds, low humidity and hot, dry weather.
News imageGetty Images The remains of fire damaged homes after an out of control wildfire moved through the area on October 9, 2017 in Glen Ellen, CaliforniaGetty Images
It is not yet known how the fires started.