Heat-related deaths in England and Wales could rise up to 50-fold in the next 50 years as an ageing population is hit by dangerous climate change, a study warns.The warning comes as parts of the UK face a third heatwave in a month pushing temperatures above 30C,

Amber heat health alerts have been issued for much of England as the third heatwave of the summer kicks in. The official alerts have been upgraded for southern England, the Midlands and East of England.