ພາບຫຼ້າສຸດ ຈາກ ຢູເຄຣນ

A pro-Russian separatist guards a checkpoint as tires burn in front of him, near the town of Slovyansk, Ukraine, May 2, 2014.

Pro-Russian gunmen listen to instructions from their commander (center) behind barricades in Slovyansk, May 2, 2014.

A pro-Russian rebel aims his rifle at a checkpoint near a Ukrainian airbase in Kramatorsk, eastern Ukraine, May 2, 2014.

Ukrainian troops guard a checkpoint near the town of Slovyansk, May 2, 2014.

Ukrainian soldiers sit on an armored personnel carrier at a Ukrainian checkpoint, Slovyansk, May 2, 2014.

Ukrainian government troops guard a checkpoint just outside Slovyansk, May 2, 2014.

After storming the office, Pro-Russian activists burn uniforms outside the prosecutor's office in the separatist-held city of Donetsk, Ukraine, May 1, 2014.

Pro-Russian militants react as a crowd of some 300 storm the prosecutor's office in eastern Ukrainian city of Donetsk on May 1, 2014.

An elderly couple dances as local citizens gather to observe May Day in Slovyansk, May 1, 2014.

Participants shout slogans and wave Russian flags during an International Worker's Day parade in Donetsk, May 1, 2014.