After days of ferocious attacks, a ceasefire went into effect after midnight Sunday in Ukraine, followed by brief accusations of violence.
원문출처 : http://edition.cnn.com/2015/02/15/europe/ukraine-conflict/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/15/europe/ukraine-conflict/index.html?eref=edition