Several days of hot weather mean London is facing an inevitable rise in air pollution as the Olympics get underway. The latest forecast shows pollution levels will be at moderate levels over the next 24 hours in London. The situation is expected to remain unchanged over the next few days.
The main concern is ground level ozone. It forms from traffic fumes in sunny weather, and can cause breathing difficulties.
More top news
Police in Germany said thieves broke into Berlin's Bode Museum early on Monday morning and stole the 100kg "Big Maple Leaf" coin.
The great-grandmother-of-seven has explained why she won't retire from her fast food job after four decades - despite the 5am shift starts.
Sunshine gives way to cloud and showers