Greta Thunberg warns 40°C heatwave about to hit UK ‘is only the beginning’

Greta Thunberg has spoken out about the rare red weather warning about to hit the UK (Picture: Nicolas TUCAT / AFP via Getty Images)

Greta Thunberg has said the UK’s leaders have ‘their heads completely buried in the sand’ over the climate crisis as a 40°C heatwave hits the country.

The climate activist, 23, told Metro that the blistering temperatures – which could break the record for June – are ‘only the beginning’.

The scorching heat is expected to last until at least Thursday after the...