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Ukraine has temporarily closed 23 of its 52 border-crossings with Russia, an official statement said.
The statement issued by Ukrainian government's press service Friday announced the decision without giving a reason for the move, Xinhua reported Saturday.
The closure of the crossing points included 10 in eastern Luhansk region and two in Donetsk, the statement said.
The Ukrainian foreign ministry has informed foreign diplomatic missions in Ukraine about the temporary closure.
Ukraine and Russia now share a land border of about 2,295 km.
