Ukraine says 'Russia has launched a great war'
Ukraine's defence minister has accused Russia of launching a great war that could claim tens of thousands of lives.
Russia has dismissed the comments, saying they only pulled the Ukrainian people further into a bloody civil conflict.
The comments came after Ukrainian troops were forced to flee Luhansk airport in the east of the country amid an offensive by pro-Russian rebels.
Meanwhile, crisis talks between Ukraine officials, rebels and Russian envoys have broken up without agreement.
Russia has repeatedly denied Ukrainian and Western accusations that it is providing troops and equipment to the rebels.
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