The US secretary of state has rejected a talks offer with Russian President Vladimir Putin until Moscow engages with US proposals on Ukraine's crisis.
John Kerry told his Russian counterpart Sergei Lavrov that Moscow's military intervention in Crimea had made any negotiations extremely difficult.
US officials say there will be little to talk about if the referendum on Crimea's future goes ahead. The vote is to be held on Sunday - Ukraine and the West say it is illegal. (BBC NEWS 2014/3/11)
国民投票が国家にとってどのような意味を持つのか、また、今回のような軍事侵攻を正当化するのに有効なのかどうか、他の世界情勢に影響を与えかねない。(TS)
