Ukraine

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A Ukrainian serviceman patrols the area near the division line with separatists in Marinka, near Donetsk, eastern Ukraine, Friday, June 5, 2015. As fears persist that eastern Ukraine is about to fall back into full-scale war, a leader of the international monitoring group is urgently calling for resumed negotiations. (AP Photo/Evgeniy Maloletka)

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Pro-Russia rebels carry a coffin with the body of prominent separatist commander Alexei Mozgovoi during his funeral in Alchevsk, Ukraine, Wednesday, May 27, 2015. Alexei Mozgovoi and at least six other people were killed on Saturday in eastern Ukraine when his vehicle was ripped apart by a bomb and then strafed by gunfire. (AP Photo/Mstyslav Chernov)

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A Russia-backed rebel take aim on the outskirts of Donetsk, eastern Ukraine. The situation in eastern Ukraine has remained tense and skirmishes between Ukrainian forces and Russia-backed separatists have continued. Vice President Joseph R. Biden said that ending the Russia-Ukraine conflict is a key test of U.S. and European leadership. (Associated Press photographs)

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A pensioner counts Russian rubles in Donetsk, eastern Ukraine. The ruble is one of the surprise star performers of 2015's currency markets, rising to its highest point against the dollar since 2013. (Associated Press)

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Workers decorate a New Year tree, in front of the St. Sophia Cathedral in central Kiev, Ukraine, Monday, Dec. 15, 2014. New Year is widely celebrated as the most popular holiday in Ukraine with the Orhodox Christmas being celebrated on Jan. 7. (AP Photo/Sergei Chuzavkov)

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The Artemovsk Winery in Ukraine continues to operate despite being close to where Ukrainian government forces and pro-Russia separatists have clashed. (Thomas Edward Phillips)

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Secretary of State John F. Kerry hopes to keep the Ukraine situation separate from his push for a new dialogue with Russian President Vladimir Putin over Syria, U.S. officials said Monday. (Associated Press)

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A man begs on a street near a currency exchange bureau in Kiev, Ukraine, Thursday, Nov. 13, 2014. Ukraine's hryvnia plunged to UAH 15.56/USD on Nov. 13, a 14% decline since Nov. 5, when the National Bank of Ukraine reduced its interventions at the ForEx and allowed further weakening. Ukraine's national currency has already lost nearly 47% of its value this year, falling from UAH 8.1/USD. (AP Photo/Efrem Lukatsky)

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Russia-backed rebels take positions on the outskirts of Donetsk, Ukraine in April. Air Force Gen. Philip M. Breedlove said that Russia and pro-Russia separatist forces exploited the cease-fire to "reset and reposition themselves" in eastern Ukraine. (Associated Press) ** FILE **

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FILE - in this Friday, Sept.30, 2005, Shakhtar Donetsk's owner Rinat Akhmetov, right, and former Ukrainian President Viktor Yanukovych watching soccer match in Donetsk, Ukraine. More than a year ago, Shakhtar Donetsk was poised to become one of European soccer's giants. Backed by Ukraine's richest man, industrialist Rinat Akhmetov, the club imported Brazilian stars en masse with a mission to win the Champions League, Europe's most prestigious competition. (AP Photo/Efrem Lukatsky, file)

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Using his might: "If Ukraine will be alone in this fight, it will be a tragedy for all our countries," said Vitali Klitschko, who is pressuring the U.S. and the European Union to help his country keep Western influence. (Associated Press)

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A young man waits on a bus to leave Debaltseve, Ukraine. The consequences of continued emigration by Ukraine's elite remains a problem, according to the study, causing "Ukraine's loss of the most educated, qualified, active and entrepreneurial population." Migration and emigration contribute to a lack of medical, educational and engineering professionals in local labor markets, the study said. (Associated Press)

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Illustration on Putin's renewed aggression against Ukraine by Nancy Ohanian/Tribune Content Agency

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In this Sunday, July 29, 2015, file photo, pro-Russian rebels ride on a tank flying Russia's flag on a road east of Donetsk, eastern Ukraine. (AP Photo/Vadim Ghirda, File)

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In this Wednesday, March 11, 2015, file photo, pro-Russian rebels line up in front of their commander during a military training exercise near Yenakiyeve, eastern Ukraine. AP reporting, based on dozens of conversations with rebel fighters and visits to their training grounds, has revealed the extent of the involvement of Russian troops in the yearlong conflict. (AP Photo/Mstyslav Chernov, File)

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A pro-Russian rebel looks up while riding on a tank flying Russia's flag, on a road east of Donetsk, eastern Ukraine, in this Sunday, July 29, 2015, file photo. (AP Photo/Vadim Ghirda, File)

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Russian President Vladimir Putin and singer Larisa Dolina sing the national anthem at a rally marking the one year anniversary of annexation of Ukraine's Crimea peninsula, outside the Kremlin in Moscow, Russia, Wednesday, March 18, 2015. Speaking to tens of thousands of supporters just outside the Kremlin walls, President Vladimir Putin has described Russia's annexation of Ukraine's Crimean Peninsula as a move to protect ethnic Russians and regain the nation's "historic roots." (AP Photo/Maxim Shipenkov, Pool)