France has issued a nationwide red alert due to an intense heatwave impacting nearly the entire country. Authorities have implemented restrictions, including a ban on the sale of high-proof alcoholic beverages at the Fête de la Musique festival, to mitigate risks. Temperatures reached 37 degrees Celsius on Saturday, with further increases expected on Sunday in some areas. The alert signals a high potential for health risks, particularly for vulnerable populations. These measures aim to protect public health and safety during the extreme weather event. The heatwave is prompting concerns about potential strain on infrastructure and emergency services.