Authorities face the "worst fire in the history of the region", Madrid officials say, as French firefighters battle a blaze heading towards Bordeaux.
About 800 firefighters and hundreds of gendarmes and soldiers deployed to battle the flames west of Bordeaux.
A third firefighter has died in Europe while tackling ongoing wildfires across the continent.
Wildfires spread over 800 hectares near Fontainebleau, as authorities sent two waterbombing planes to tackle blazes.
Hundreds of firefighters in Spain have been battling a deadly wildfire in the south of the country.
Firefighters race to contain flames in northeastern Spain
Over 100 firefighters are working to extinguish a fire near Thessaloniki which has claimed a life.