Chinese President Xi Jinping said the crisis in Ukraine needed to be solved via diplomacy.
In a telephone conversation with German Chancellor Angela Merkel, Mr Xi said solution needed to be on the basis of international law, German government said in a statement.
Barack Obama warned Russia that the West will be forced to apply a cost to Moscow if it fails to change course in its dispute with Ukraine.
The ballot paper that the people of Crimea will use in Sunday's referendum was published today
Vitali Klitschko's visit to the eastern city of Donetsk is clearly an attempt to try to ease the divisions with Ukraine.