People are being urged to avoid drinking alcohol as temperatures reach new record highs. Public health experts are advising against boozy beer garden sessions because alcohol causes dehydration.
It comes after the Met Office said the UK faces "a very serious situation” - with some experts claiming "hundreds or thousands" of people could die in the heatwave.
For the first time temperatures of 40C have been forecast in the UK and the Met Office has issued an unprecedented red warning for exceptional heat. The "extreme heat" warning is in place for parts of central, northern, eastern and south-eastern England on Monday and Tuesday.