London Mayor Boris Johnson accidentally collided with a 10-year-old boy, knocking him to the ground, during a game of street rugby with a group of Tokyo children, outside the Tokyo Square Gardens building. Toki Sekiguchi said the mayor apologised: "He asked me something like 'Are you okay?'"

Boris Johnson: Watch Mayor of London knock over Japanese child during game of street rugby IBTimes UK

Love or hate him, Boris Johnson gives good photo opportunities. Whether it's boxing, busking, or playing basketball or tennis, the Mayor of London really throws himself into it, with often hilarious results.

Here at IBTimesUK, we've rounded up some of the funniest photos of the Mayor of London, in the Best of Boris.