Context: The UK is experiencing its third heatwave of the year, which is expected to intensify again this week after a slight drop in temperatures on Monday. The heatwave is forecasted to affect various parts of the country, with temperatures potentially reaching 30C in England and Wales, and heatwave thresholds possibly being briefly reached in Scotland and Northern Ireland. The UK Health Security Agency has issued amber and yellow heat health alerts, warning of significant impacts on health and social care services.