Pedestrians walk across the Millennium Bridge, backdropped by St Paul's Cathedral, in central London on June 28, 2026, as people come out to take advantage of cooler temperatures following days of extreme heat. The UK broke the record for a June temperature for the third day in a row on June 26, the Met Office weather agency said, as a sweltering heatwave strained schools and hospitals and drove down business. (Photo by CARLOS JASSO / AFP via Getty Images)