Ukraine President Petro Poroshenko says he has concerns for a ceasefire due to come into effect over the weekend as the offensive by pro-Russian separatists intensifies.
원문출처 : http://edition.cnn.com/2015/02/13/europe/ukraine-conflict/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/13/europe/ukraine-conflict/index.html?eref=edition