Wildfires spread in US state of California

Last updated at 14:52
Trees burning in CaliforniaEVN

Forest fires have been raging since Saturday in the American state of California and thousands of people have been forced to leave their homes.

It's thought some of the fires were started by lightning strikes during a storm.

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See how the fires are being put out

A long period of sunny weather has dried out the land, which has made it easier for fires to spread.

Hundreds of firefighters are trying to put the flames out but strong winds are making the fires burn intensely.

It's hard for firefighters to reach the core of the fires because the land is steep and the forest is so dense.

Helicopters are dumping water on the fires to put them out and firefighters say they are in control of the situation.