A doctor has issued a warning to people over some of the lesser-known consequences of extreme heat.
A summer heatwave has hit the UK as soaring temperatures across the country have prompted the Met Office to issue a rare amber and red heat warning. The alert started on Sunday at 1am and will remain in force tonight until 11.59pm.
Forecasters expect sweltering conditions on Merseyside today as temperatures could rise to 34C. While sweating, increased thirst and sleepless nights are common symptoms in the extreme heat, health experts have explained some of the more unusual symptoms people could experience.
