BBC: A heatwave warning has been issued for England and Wales, with temperatures in some areas potentially rising as high as 32C (90F) in the coming days. The Met Office says London, the east and south-east of England will be the hottest areas, both by day and night. Warm and humid weather is also forecast throughout the rest of the UK, with a risk of thundery showers. The Department of Health has asked people to check on elderly friends and family who may suffer in the …