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PEREVEVALNE, UKRAINE - MARCH 17: A man fixes the Crimean flag near groups of armed soldiers without identifying insignia who are keep guard outside of a Ukrainian military base in the town of Perevevalne near the Crimean city of Simferopol on March 17, 2014 in Perevevalne, Ukraine. Voters on the autonomous Ukrainian peninsular of Crimea voted overwhelmingly yesterday to secede from their country and join Russia. (Photo by Spencer Platt/Getty Images)
PEREVEVALNE, UKRAINE - MARCH 17: A man fixes the Crimean flag near groups of armed soldiers without identifying insignia who are keep guard outside of a Ukrainian military base in the town of Perevevalne near the Crimean city of Simferopol on March 17, 2014 in Perevevalne, Ukraine. Voters on the autonomous Ukrainian peninsular of Crimea voted overwhelmingly yesterday to secede from their country and join Russia. (Photo by Spencer Platt/Getty Images)

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How will the results of Crimea's referendum vote affect the regional economy. CNN's Nina dos Santos reports.

European sanctions labeled 'toothless'

How will the results of Crimea's referendum vote affect the regional economy. CNN's Nina dos Santos reports.