John Kerry shakes hands with David Cameron
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John Kerry in London for talks with David Cameron and William Hague

25 February 2013 Last updated at 13:10 GMT

John Kerry has met with the UK's prime minister, David Cameron, in London, as part of his first trip abroad as US secretary of state.

It is the first stop on his tour, which will take in Europe's main capitals, Turkey and the Middle East.

The BBC's Jonathan Marcus reports.