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'.

Forecasters are expecting the heat to build gradually in Britain over the coming days - and most areas will reach levels above the heatwave threshold of 25C (77F) to 28C (82F) by…

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'.