Much of England and Wales will see temperatures of 25 to 28C, with highs of 26C possible in Scotland and Northern Ireland.

Experts warn extreme weather is a growing public health emergency, urging urgent action to protect vulnerable populations and strengthen health systems amid rising heat-related deaths and disease outbreaks.

The UKHSA has issued amber heat alerts for much of England as the country faces its fourth summer heatwave, with temperatures up to 34°C. Older adults, young children, and those with health conditions face higher risks,