Ukraine 'on verge of being torn apart' - Joe Biden
22 April 2014 Last updated at 12:17 BST
Speaking in Kiev, US Vice-President Joe Biden has said that Ukraine is "on the verge of being torn apart".
During a joint news briefing with interim Prime Minister Arseniy Yatsenyuk, Mr Biden said that Ukraine faced a "struggle for its very future".
He said that the US stood with a united Ukraine, and that it did not recognise Russia's actions in Crimea.