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http://www.aljazeera.com/news/europe/2014/02/ukraine-accuses-russia-invading-crimea-201422820136126248.html

"Thirteen Russian aircraft landed at the airport of Gvardeyskoye (near Simferopol) with 150 people in each one," Sergiy Kunitsyn, the Ukrainian president's special representative in Crimea, told the local ATR television channel on Friday.
He also said that the airspace had been closed when the deployment happened.
Meanwhile, Ukraine's acting president accused Russia of open aggression and said Moscow was following a similar scenario to the one before it went to war with Georgia in 2008.
Oleksander Turchinov drew a comparison to Russia's intervention in Georgia over the breakaway Akhazia region which has a large ethnic Russian population, urging Russian President Vladimir Putin to stop "provocations" in the region of Crimea.
"Russia has sent forces into Crimea ... they are working on scenarios which are fully analogous with Abkhazia, when having initiated a military conflict, they started to annex the territory," he said in televised comments.