(FILES) A pedestrian walks past the entrance of a clothing store bearing a placard promoting French summer sales on the opening day in Paris on June 24, 2026. France's Prime Minister Sebastien Lecornu has decided to extend the summer sales period, which began on June 24, 2026 in the midst of a heatwave and is causing particular concern for downtown businesses, Matignon said on June 27, 2026, confirming information posted online by La Tribune Dimanche. (Photo by Charlotte SIEMON / AFP via Getty Images)

Shoppers explore Camden in the sunshine in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

Shoppers explore Camden in the sunshine in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

A shopper uses a fan while visiting Camden in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

Shopper rest and take on board drinks while visiting Camden in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

Ice cubes are delivered to a shop in Camden in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

Ice cubes are delivered to a shop in Camden in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)

A worker empties the waste bins while shoppers explore Camden in central London on June 27, 2026, during a heatwave. The UK broke the record for a June temperature for the third day in a row on Friday, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. A provisional 37.3 C record temperature was chalked up in Santon Downham, a village in Suffolk. (Photo by Toby Shepheard / AFP via Getty Images)