Moscow and Beijing are strongly opposed to armed intervention, saying the outcome in Syria should be decided by its people.

CNN: Annan: Iran has 'role to play' for Syrian peace

World champion Cavendish had been strongly tipped to finally claim the Olympic medal that had eluded him at the 2008 Games in Beijing, where he was the only member of Britain's track cycling team to return from the games without a medal.

CNN: STORY HIGHLIGHTS