The Prime Minister got closer to the action than he had bargained for during a judo demonstration at a youth project in a Brazilian favela today.
His conversation with British Olympic silver-medalist Gemma Gibbons was cut short when a young judoka was flipped unceremoniously onto his foot.
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After years trying to rebuild its reputation following the scandal over blood doping, the sport is having to face up to another problem.
In the hours following the incident, journalists Can Dundar and Erdem Gul were found guilty in their trial for revealing state secrets.
After a wintry end to last week, a fast track to summer