UK heatwave: Top tips for staying cool in hot weather
18 July 2013 Last updated at 09:52 BST
Health officials are warning people to take care as the UK continues to bake in a prolonged heatwave.
People should be drinking plenty of water, wear loose-fitting clothes and avoid the midday sun, according to Dr Richard Jarvis from Public Health England.
The Met Office issued a level 3 alert for London and the south east on Wednesday, which was officially the hottest day of the year.