An Olympic champion who cleaned up at the Games, is now cleaning up for real.
Ed McKeever, who won a Gold this summer, joined other volunteers in the River Lea in East London.
The scheme is part of a campaign to ensure the waterways in the shadows of the Olympic Park stay free from rubbish. Piers Hopkirk reports.
More top news
His top speed is believed to be the highest ever recorded in the UK by a rider carrying a pillion passenger.
The mayor took time out from City Hall to join Conservative party workers handing out leaflets in Uxbridge and South Ruislip.
No matter where you look, London's population is getting older - with the exception of one of the capital's boroughs.