The Government's UK Health Security Agency (UKHSA) warned that the heatwave could bring 'a rise in deaths, particularly among those ages 65 and over or with health conditions'.

Friday and Saturday nights will be uncomfortable for sleeping, with temperatures possibly staying above 20C (68F) in parts of the UK, which is known as a 'tropical night'.

Amber warning issued across England as Thursday expected to be hottest day of year so far