Ukrajina

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.