Ukraine's interim Prime Minister Arseniy Yatsenyuk takes his case to the United Nations on Thursday, as he tries to build support for his country in its territorial conflict with Russia.
Russia's War Against Ukraine
National Public Radio: Yatsenyuk appeals for international aid for Ukraine
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
