Three London friends are preparing to run 39 marathons in just 30 days, across nine countries in eastern Europe, to help the fight against child trafficking.
Rob Martineau, Tom Stancliffe and Guy Hacking told Nina Hossain why they were taking up the challenge.
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Across the country people are pledging to run 3.7 miles in memory of Matt Campbell who died while taking part in the London Marathon.
Jonathan Munro is giving evidence during the latest stage of a High Court trial in London.
But while he wasn't showing it, PC Tyler O'Hare was enjoying every minute of it.