Ukraine's acting president says its military is "on full combat alert" against a possible invasion by Russian troops massed on the border.
ພາບຫຼ້າສຸດ ຈາກ ຢູເຄຣນ
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Ukraine's acting president Oleksandr Turchynov chairs a meeting at the presidential administration stating that Ukraine's police and security forces are "helpless" to quell unrest in two eastern regions bordering Russia, Kyiv, April 30, 2014.
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A woman hands a pro-Russian armed man a can of coffee outside the regional government headquarters in Luhansk, April 30, 2014.
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Pro-Russian activists gather at a barricade outside the regional government headquarters in Luhansk, April 30, 2014.
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Members of self-defense units of the Euromaidan movement (front) attack members and supporters of Ukrainian far-right radical groups (back) to prevent them from taking part in a torchlight procession, Kyiv, April 29, 2014.