French firefighters were keeping a wary eye on a huge blaze that appeared to be contained in the country's southwest, with thunderstorms and strong wind gusts expected in the area overnight.
The 40-kilometre (25-mile) fire front in the Gironde and Landes departments around Bordeaux "did not significantly progress overnight. Firefighters are working on its periphery," police said in a statement.
But officials said it was premature to say that the blaze -- which has already reignited once -- was under control.
"We remain vigilant" because "while we can't see huge flames, the fire continues to consume vegetation and soil," Arnaud Mendousse, lieutenant colonel of Gironde fire and rescue, told AFP.
Weather forecasters are expecting thunderstorms with wind gusts of up to 60 kilometres an hour in the region in the evening.
The wind "could reignite the fire" that "is in a state of pause," Menousse warned.
Most of the reinforcements had arrived on the ground, with the last 146 firefighters from Poland expected later on Saturday.
France has been buffeted this summer by a historic drought that has forced water use restrictions nationwide, as well as a series of heatwaves that experts say are being driven by climate change.
- Forests off limits -
In eastern France, police said on Saturday they were banning entry to most forests in the Bas-Rhin region near the German border.
"It's an extreme step in the face of an exceptional situation," said Pierre Grandadam, president of a group that includes the Alsace forested communities.
"It's very difficult to enforce the closing of a forest, we can only do this as a last resort, but at the moment, everything is dry, the slightest gesture can lead to a conflagration. I've never seen anything like it," said the 74-year-old. "We're praying for rain."
The blaze near Bordeaux erupted in July -- the driest month seen in France since 1961 -- destroying 14,000 hectares and forcing thousands of people to evacuate before it was contained.
Officials suspect arson may have played a role in the latest flare-up, which has burned 7,400 hectares (18,000 acres) since Tuesday.
Fires in France in 2022 have ravaged an area three times the annual average over the past 10 years, with blazes also active in the Alpine Jura, Isere and Ardeche regions this week.
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© Agence France-Presse
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