France struggles with extreme heat and power grid challenges as temperature records also smashed in parts of UK and Spain.By Reuters and AFPPublished On 23 Jun 202623 Jun 2026French authorities say about 20 people have drowned over the weekend while swimming in unsupervised areas to seek relief from a heatwave gripping France and other parts of Europe.“To go swimming in unauthorised areas during a heatwave is not something to take lightly,” Sports Minister Marina Ferrari told France Inter radio as forecasters said temperatures in much of the country would reach about 40 degrees Celsius (104 degrees Fahrenheit) on Tuesday.Separately, local authorities said the heatwave was the most likely reason for the deaths of two children aged two and four who were found unconscious in a car outside their home in Carpentras in southeastern France.Three more people aged 80 to 95 died in the Bordeaux region from heat-related health issues, local official Sophie Brocas told France TV.The heatwave smashed temperature records in multiple cities, including Bordeaux and Poitiers, and strained power grids and public services. The national weather service placed 54 areas of France, a country without widespread air conditioning, under a red heatwave alert while schools closed early or adjusted timetables to protect students. People cool off in the Trocadero Fountain next to the Eiffel Tower in Paris [Abdul Saboor/Reuters]Elsewhere in Europe, Britain’s Met Office warned on Monday that a four-day heatwave could push temperatures above 39C (102F) in parts of the country, easily breaking the June record of 35.6C (96F) set in 1957 and 1976. …