German Chancellor Angela Merkel warned Russia on March 4 that any serious violation of the current cease-fire in east Ukraine - which she described as "fragile" - would prompt Europe to impose further sanctions on Moscow for supporting the separatists.
Russia's War Against Ukraine
Reuters: EU ready with sanctions if Ukraine ceasefire violated, Merkel says
German chancellor Angela Merkel (L) and French President Fran\u00e7ois Hollande give a press conference following their meeting at the Elysee palace on Feb. 20.
