Russia's top general spoke to the chairman of Nato's Military Committee by telephone today about the situation in Ukraine, the Interfax news agency reported, citing the Russian Defence Ministry.
General Valery Gerasimov discussed "the state of Russia-Nato relations and the current situation in Ukraine" with Nato General Knud Bartels, according to the report.
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.