People 's referendum in Minsk lasted for two days but yielded no signatures , diplomat says . The town of Vuglegirsk was the focus of the fiercest fighting on Saturday , the NDSC said , adding that separatist forces are trying to seize it so they can attack the town of Debaltseve afterward . Ukrainian military - fighting continues near Debaltseve .
People 's referendum in Minsk lasted for two days but yielded no signatures , diplomat says . Ukrainian military - fighting continues near Debaltseve .