Thousands of passengers travelling through two of the UK's busiest airports faced significant disruption after powerful thunderstorms swept across southern England, forcing airlines and air traffic controllers to delay hundreds of flights at Heathrow and Gatwick.

An amber warning for heat remains in place today until 9am tomorrow but temperatures are expected to drop, with a maximum of 33C expected in London.

Passengers are facing chaos at Heathrow and Gatwick today as hundreds of flights have been delayed or cancelled across both airports following thunderstorms