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
Through the morning an area of rain will steadily track northeastwards across central England.
An outdoor nursery where children are only allowed to play with toys they have made themselves has been named Britain's Best Nursery.
The prime minister said changes will be made to the Gender Recognition Act in order to reflect updated attitudes towards being transgender.