Transcript for Russia on the Brink of War at Ukraine's Doorstep
And now, we turn to other big news of this day. Ukraine, and the growing fear of Russian military action. Tonight, thousands of Russian troops are amassed on the cr Ukraine border. The vote of crimea, just days away. And the clock is counting down. Reporter: Preparing a full-scale invasion. That's what Ukraine fears these Russian forces are doing. Almost 9,000 troops, hundreds of tanks and artillery, deployed right on Ukraine's doorstep. Pro-russian forces control the crimean peninsula, which after a referendum, will certainly ask to join Russia. There's no justification, no legality, to this referendum that is taking place. Reporter: So far, neither threats nor diplomacy have produced results. And Ukraine instability is becoming deadly. In the eastern city of danesk, two reported killed, when pro-russian demonstrators clashed with a pro-ukraine group, the ominous sign of a country being pulled apart. President Putin said Russia didn't instigate the crisis. But he appears ready to welcome crimea. And will he want more? Alex Marquardt, crimea. And the unrest rattled
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