Mayor Boris Johnson and Gold medallist Mo Farah have launched a campaign to get children active.
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Expect some sunny spells with odd spots of rain for Sunday morning with scattered, heavy and possibly thundery showers in the afternoon.
Detectives have released a CCTV image as they hunt for man who sexually assaulted woman at bus stop in east London.
Shops and restaurants on the route of the Notting Hill Carnival have boarded up as shop-keepers and residents aim to protect their property.