Now playing Next Ukraine Ukraine pro-Russia presidential candidate Oleg Tsarev beaten by angry mob 15/04/2014
Now playing Next Ukraine Ukraine as it happened: Kyiv calls for UN peacekeepers as pro-Russians approach Putin 14/04/2014
Now playing Next Ukraine Ukraine as it happened : Lavrov and Kerry urge all sides to refrain from violence 09/04/2014
Now playing Next Russia McDonald's pull out of Crimea prompts calls for fast food chain to leave Russia 04/04/2014
Now playing Next Ukraine Ukraine: Yanukovych calls for each of the country's regions to hold a referendum 28/03/2014
Now playing Next World Transatlantic unity over Crimea crisis - but what about Europe's military spending? 26/03/2014
Now playing Next Ukraine Could Donetsk be the next part of Ukraine to be annexed? To Britain? 25/03/2014
Now playing Next Ukraine Ukraine orders its forces to leave Crimea in face of Russian threats 24/03/2014
Now playing Next World Ukraine crisis: former president Kravchuk warns of further difficulties ahead 20/03/2014