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A nine-year-old boy will begin a 23-mile charity trek later supported by a host of high profile names including the Queen and Boris Johnson.
Jonjo Heuerman, from Wilmington, near Dartford is undertaking a three-day expedition from Wembley to West Ham hoping to raise £10,000 for the Bobby Moore Fund.
He's received messages of support from celebrities including Rio Ferdinand, Jamie Cullum and cricketer Darren Gough.
Jonjo also received a personal letter from the Queen.