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Leaked US call on Ukraine crisis: Excerpt

7 February 2014 Last updated at 09:54 GMT

An apparently bugged phone conversation in which a senior US diplomat disparages the EU over the Ukraine crisis has been posted online.

A voice resembling that of Assistant Secretary of State Victoria Nuland refers to the EU using a graphic swear word, in a conversation apparently with the US ambassador to Ukraine.

This excerpt from the call is explained by the BBC's Mark Mardell.

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