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Ukraine has accused Vladimir Putin of making Belarus a "nuclear hostage" after the Russian leader said he would station nuclear weapons there. Yuriy Sak, an adviser to Ukraine's ministry of defence, told Newshour's Julian Marshall that Russia's actions were simply posturing and that neither his country nor the West should give in to Russia's attempts at "blackmail". (Photo: A Russian Iskander-E missile launcher, like the ones Russia wants to store in Belarus. Credit: Getty Images)