The OSCE renewed its call today for the "immediate and unconditional release" of its officials taken hostage in Ukraine's restive eastern region, where troops are clashing with pro-Russian forces.
Russia's War Against Ukraine
Outlook: OSCE calls for immediate release of Ukraine hostages
Pro-Russian militants place concrete blocks to reinforce their check-point on the outskirts of the eastern Ukrainian city of Donetsk on June 4, 2014.
