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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Tony Kim, who taught accounting at Pyongyang University of Science and Technology, was detained as he tried to leave the country.
Southern England will start dry and bright, and sunnier, colder weather will arrive in the north later in the day.