The Met Office has confirmed that today has been the hottest day of the year so far, with temperatures rising as high as 33.5C at Heathrow. It hasn't been this hot since 2006.
Temperatures have now reached 33.5 °C at Heathrow - the hottest temperature recorded since 20 July 2006
After several deaths as people try to avoid the heat - a look at why swimming in quarries and open water is so dangerous.
Heatwave health warnings were issued today as the Met Office declared it was the hottest day of the year so far.
Why cucumbers really are cool and you should keep your phone in the shade to prolong battery life and other fun facts about the heat.