Ukraine

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Pro Russian activists camped near the armory of Ukrainian army in a bid to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. (AP Photo/Sergei Grits)

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Pro Russian activists camped near the armory Ukrainian army to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. The placard reads "We are for peace without wars". (AP Photo/Sergei Grits)

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Pro Russian activists camped near the armory Ukrainian army to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. (AP Photo/Sergei Grits)

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Pro Russian activists collect woods in their camp near the armory Ukrainian army, where they stand to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. (AP Photo/Sergei Grits)

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Pro Russian activists block a road with car tires near the armory Ukrainian army to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. (AP Photo/Sergei Grits)

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Pro Russian activists block a road with car tires near the armory Ukrainian army to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. (AP Photo/Sergei Grits)

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Pro Russian activists block a road with car tires near the armory Ukrainian army to prevent the export of arms and ammunition in the village of Poraskoveyevka, eastern Ukraine, Thursday, March 20, 2014. The disheveled men barricading the muddy lane leading into a military base in this eastern Ukraine village say they're taking a stand to defend Russian-speakers. (AP Photo/Sergei Grits)

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President Barack Obama makes a statement on Ukraine, Thursday, March 20, 2014, on the South Lawn at the White House in Washington before departing for Florida. President Barack Obama said the US is levying a new round of economic sanctions on individuals in Russia, both inside and outside the government, in retaliation for the Kremlin's actions in Ukraine. He also said he has also signed a new executive order that would allow the U.S. to sanction key sectors of the Russian economy. (AP Photo/Charles Dharapak)