The central bank review of the key rate was due on March 10 and is now expected to be held on March 17.

Ukraine flatly rejected as “immoral” a Russian proposal to allow residents of the towns --  including Mariupol on the Sea of Azov, Sumy in the north, the capital Kyiv and Ukraine’s second city Kharkiv -- that would have sent them into the territory of Russia or Belarus, Moscow’s close ally.