BERLIN -- Leading European officials on Nov. 11 warned of escalating violence in Ukraine and said the West may strengthen it sanctions regime against Russia in response to concerns about new military action by pro-Russian forces.
Russia's War Against Ukraine
Wall Street Journal: Russia warned amid fears of escalating violence in Ukraine
EU foreign policy chief Federica Mogherini (L) and German Foreign Minister Frank-Walter Steinmeier answer journalists' questions during the opening of the \"Berlin Forum Foreign Policy\" on Nov. 11, 2014 in Berlin.
