UK weather: heat health warning upgraded as heatwave forecast

UK upgrades heat health warning from yellow to amber as hottest day of year predicted

UK health officials have upgraded their warning for the escalating heat as southern England will experience an official heatwave this week, forecasters have confirmed.

Temperatures are on the rise for much of the UK, most likely peaking on Wednesday and Thursday with 32C expected across parts of the south and south-east, the Met Office said.