http://twitter.com/#!/jamesmatesitv/status/440097266523574272 “Unidentified gunmen” — a.k.a. Russian soldiers — surrounded the Ukrainian military base at the Perevalne village in Crimea on Sunday morning. Ukraine troops are refusing to stand down. Journalists on scene are sharing background and photos of the tense scene. http://twitter.com/#!/gavinsblog/status/440107682855276544 http://twitter.com/#!/shaunwalker7/status/440090767189889024 http://twitter.com/#!/jamesmatesitv/status/440107959649988608 Civilians from both sides are also there. http://twitter.com/#!/Agnakagos/status/440123477488447488 http://twitter.com/#!/Steve_Penstone/status/440124964214022144 Previous: ‘The…

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