Boris Johnson has said he is not confident he will beat Pippa Middleton at table tennis.
The Duchess of Cambridge's sister challenged the London mayor to a match in an article for The Spectator. He has offered her an invitation to join him for a game.
Speaking from Ealing Studios the Mayor of London said it is a great opportunity to promote sports for London.
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This is Gordon Hill. But you may know him by now as the Wealdstone Raider.