UK Triggers Highest Heat Alert as Risk Spreads Beyond Vulnerable Groups

The UK Health Security Agency extended red heat-health alerts across England through June 26 as temperatures peaked at 36.1°C in Gosport on June 24. A red alert—the top tier in UKHSA's framework—signals heat impacts expected to affect the whole population, not just vulnerable groups, with associated excess mortality risk. Health trusts are activating contingency plans and directors of public health are on active incident footing.