France and Spain brace for heatwave amid wildfires

France and Spain face a new heatwave threatening to worsen wildfires that have already forced mass evacuations. Nearly 4,000 people evacuated from Lacanau, France, adding to over 250,000 displaced in Gironde. In Spain, 116,000 evacuated; some returned. Temperatures expected to reach 40°C in France and higher in Spain. Authorities warn of fragile situation as blazes continue.