The UK is in the middle of yet another heatwave, with parts of the country expected to hit 34°C. So, what's behind this intense heat? According to the Met Office, the UK is caught between two air masses.

While people in the south and east of England will bake over the next few days, those in the north and west face bands of rain - and it's all down to a stubborn area of high…

The UK is in the middle of yet another heatwave, with parts of the country expected to hit 34°C. So, what's behind this intense heat? According to the Met Office, the UK is caught…