Charities have also warned about caring for cats in the heatwave
Extreme heat is forecast over the next 36 hours
A heatwave pushing temperatures in the UK to extreme heights has sparked warnings that common hay fever tablets may make beating the heat more difficult
The Met Office has issued a red extreme heat warning, with temperatures forecast to soar above 35C
Hundreds of schools have shut amid a red weather warning
Large swathes of country placed under red alert due to extreme heat
Soaring temperatures should be seen as a public health threat, expert warns as temperatures expected to smash records set in June 1976 by several degrees