South of Paris, the Fontainebleau forest burns. The fire destroys 800 Hektar of forest. This is a very big area. The fire starts on Sunday. There are 10 places with fire. The police think: Someone starts the fire on purpose. This is called Brand-Stiftung.
Hundreds of people leave their homes. They go to a safe place. This is called Evakuierung. 400 to 500 firefighters fight the flames. Fire planes from the south help now. They take water from the Seine river. Farmers help with their tractors.
The heat causes big problems. It is 40 degrees hot in France. The government sets the red warning level. Three Atom-Kraft-Werke stop working. They need water from rivers for cooling. The water in the rivers is too warm. Warm water hurts fish and plants.
The fire stops the traffic. The A6 highway is closed. Trains have many hours of delay. Experts check the rails now. This fire is not normal here. Fires usually happen in the hot south. Experts say: The Klima-Wandel causes the heat.