BRUSSELS - EU leaders last on June 27 gave Russia a new ultimatum on sanctions, but opinion differs on when the ultimatum is due and what the reaction will be.
Russia's War Against Ukraine
EUobserver: EU diplomats unsure of next step on Ukraine crisis
A pro-Russia armed separatist mans a checkpoint in Mykhailivka on the road between Lugansk and Donetsk on June 28, 2014.
