US Urges Russian Action As Tension Mounts In Eastern Ukraine

SLOV'YANS'K, UKRAINE - APRIL 22: Pallbearers carry the remains of 24-year-old Sasha, a pro-Russian activist, from his family's home in the small village of Aleksandrovka to the village graveyard on April 22, 2014 near Slovyansk Ukraine. Sasha was killed during an Easter Sunday attack on a roadside checkpoint where he was working. Pro-Russian militants have been manning roadblocks around Slovyansk and have taken control of government buildings in the city. They are demanding independence from Ukraine. Other pro-Russian activists have been occupying government buildings in other eastern Ukraine cities in recent weeks making similar demands. (Photo by Scott Olson/Getty Images)