Emergency services have elevated the wildfire threat level in London to extreme as sustained high temperatures and dry conditions persist. Authorities have issued urgent safety warnings regarding barbecue use and water safety as the heatwave continues.

London is experiencing its third heatwave of the year, triggering an amber health alert and causing significant strain on transport and emergency services.

Severe thunderstorms swept across London, submerging transport hubs such as Heathrow Airport and triggering lightning strikes that ignited homes.