The second heatwave of 2026 has begun as the UK Health and Security Agency (UKHSA) upgraded heat health alerts for four regions from 'yellow' to 'amber'.

Yellow heat health alerts in place until Monday due to greater risk to lives of vulnerable people

The second heatwave of 2026 has begun as the UK Health and Security Agency (UKHSA) upgraded heat health alerts for four regions from 'yellow' to 'amber'.

The UK Health Security Agency issued the warning from midday on Thursday

The UK Health Security Agency issued the warning from midday on Thursday until Tuesday next week