Ukrainian President Petro Poroshenko has called for U.N. peacekeepers to be deployed to monitor a ceasefire in east Ukraine, a proposal that pro-Russia rebels swiftly said would be in breach of a peace deal.
Russia's War Against Ukraine
Reuters: Ukraine calls for UN peacekeepers to observe ceasefire
Ukrainian soldiers get on the military vehicle as they as they break through the cordon of Russian-backed insurgents who surround Debaltseve, and retreat to Artemivsk in Donetsk Oblast on Feb. 18.
