The United States and Ukraine issued a condemnation Tuesday of Russia's takeover of Crimea as President Obama discussed with European leaders the possibility of further sanctions against Moscow at a summit in the Netherlands.
Russia's War Against Ukraine
USA Today: US, Ukraine condemn Russia’s move on Crimea

US President Barack Obama and Ukrainian Prime Minister Arseniy Yatsenyuk speak during meetings in the Oval Office of the White House in Washington, DC, March 12, 2014. The first meeting between Obama and Yatsenyuk comes with the nation in danger of breaking apart when the predominantly ethnic Russian region of Crimea holds a Moscow-backed referendum Sunday on switching over to Kremlin rule. AFP PHOTO / Saul LOEB