Tension Mounts In Eastern Ukraine

KRAMATOVSK, UKRAINE - MAY 03: A man watches from a rooftop as Ukrainian soldiers assault a pro-Russian activists roadblock on May 3, 2014 in Kramatovsk, Ukraine. At least one person was reported killed in the fight. Over the past couple of days the Ukrainian army has been assaulting pro-Russian checkpoints in and around Kramatovsk which sits on the edge of Slovyansk, a pro-Russian activist stronghold. (Photo by Scott Olson/Getty Images)