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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The capital's theatres also generate more searches than those in any other city, according to research by Google.
Union officials are expected to meet next week to plan further stoppages if talks fail to resolve the dispute.
Natalie Sharp and Christine Bicknell appeared in court over an alleged incident at a Lidl superstore in Wallington, south London.