Brits are staring down the barrel of a dangerously hot spell of weather lasting into next week, the UK government has warned. The UK Health Security Agency (UKHSA) has issued amber health alerts for heat as Met Office forecasters warned of a heatwave more severe than the one in May. Millions living in London, the south-east, south-west and east of England fall under the health alerts, which are now in force until 8pm on Tuesday June 23. The amber alert means "significant impacts are likely