Almost 100 Met Office sites hit, or surpassed, 30 degrees Celsius yesterday, with more areas of England and Wales likely to meet the heatwave threshold later.

Possible thunderstorms could cool things down, though.

It’s particularly warm in London, with temperatures of 34.8°C recorded at Kew Gardens and 33.5°C at Heathrow Airport.

Climate scientist Dr Chloe Brimicombe explains why:

The AA’s reminding drivers never to leave children or pets inside a parked car.