Russian forces are seeking to swallow up the last remaining Ukrainian stronghold in the eastern Luhansk region while pressing their momentum following the withdrawal of Ukrainian troops from the charred ruins of Sievierodonetsk. The military said Moscow-backed separatists were now in full control of the chemical plant that was the last Ukrainian holdout in the city. Russia also launched dozens of missiles Saturday on several areas across the country far from the heart of the eastern battles. Ukraine's air command says some of the missiles were fired from Russian long-range Tu-22 bombers deployed to Belarus for the first time. Meanwhile, President Vladimir Putin said Saturday that Moscow plans to supply Belarus with the Iskander-M short-range ballistic missile system.