ພາບຫຼ້າສຸດ ຈາກ ຢູເຄຣນ, ວັນທີ 21 ເມສາ 2014

U.S. Vice President Joe Biden (left) shakes hands with Ukrainian and U.S. officials upon his arrival at Boryspil International airport outside Kyiv, Ukraine, April 21, 2014.

Pro-Russian separatists have detained a Ukrainian journalist, Irma Krat, accusing her of "war crimes" during the "Euromaidan" protests that toppled the Moscow-backed president, Slovyansk, Ukraine, April 21, 2014.

An agreement reached last week to avert wider conflict in Ukraine was faltering as the new week began, with pro-Moscow separatist gunmen showing no sign of surrendering government buildings they had seized. Here masked pro-Russian men walk past a barricade outside a regional government building in Donetsk, Ukraine, April 21, 2014.
 

A masked pro-Russia insurgent guards an entrance to the Ukrainian regional office of the Security Service. A Russian national flag is in the background, Luhansk, April 21, 2014.

Local residents look at burned out cars near a checkpoint that was the scene of an overnight  gunfight near the city of Slaviansk, Ukraine, April 20, 2014. 

A wife, left, of a victim reacts at a checkpoint that was the scene of an overnight  gunfight near the city of Slaviansk, April 20, 2014. 

A local resident reacts at a checkpoint that was the scene of an overnight gunfight near the city of Slaviansk, April 20, 2014. 

A pro-Russian gunman watches a local police officer, right, as he inspects the area after an overnight gunfight at a check point which is under the control of pro-Russian activists in the village of Bulbasika, Ukraine, April 20, 2014.

A local resident kisses the body of a friend, who was killed in an overnight gunfight near the city of Slaviansk, April 20, 2014. 

A pro-Russian activist warms himself near a bonfire at a barricade, with a Russian national flag in the background, in Donetsk, Ukraine, April 20, 2014.