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VICE News correspondent Henry Langston joined On The Line to discuss his recent trips to Ukraine and the Baltic States.

As fighting between government forces and pro-Russian rebels continues in eastern Ukraine, Russia's neighbors are keeping a wary eye on Moscow. Henry Langston has been following the story for VICE News and has traveled to Lithuania to see the country's new "Rapid Reaction Force," and to the front lines of the conflict in Ukraine. On Thursday he'll join On The Line to take your questions.

Watch "The Russians are Coming: Lithuania's Operation Lightning Strike"

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