Showing a fabulous disregard for fashion, modernity and not to mention the safety of his tongue, this ladies and gentlemen, is the Mayor of London playing tennis on Sunday.
Sir Richard Branson, Michael McIntyre and Jonathan Ross also took part.
Earlier in the day Murray had beaten defending champion Marin Cilic in three sets in what is seen as the warm-up for the much-anticipated Wimbledon tournament later in the month.
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