Hundreds of nude cyclists are to ride through Brighton. It's part of a worldwide campaign to raise awareness of the vulnerability of cyclists on the roads.
Naked riders are also being invited to make a triathlon of the day, with a naked fun run to start the day, and a post-ride skinny dip at Brighton's naturist beach.
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Simon has Saturday's forecast for the east of the region
Simon has Saturday's forecast for the west of the region
Redbridge Community School is transforming the lives of its pupils with a series of pioneering initiatives.