This also includes agreements on securing the eastern borders of Ukraine , elections and the exchange of prisoners , '' he said in a statement . `` We had just two options : bad , and worse , '' the Ukrainian PM tells CNN . The first option was to send in a peacekeeping force of some kind -- but that would have been an expensive proposition for both sides. The deal includes a ceasefire to begin Sunday and the withdrawal of heavy weapons .
`` We had just two options : bad , and worse , '' the Ukrainian PM tells CNN . The first option was to send in a peacekeeping force of some kind -- but that would have been an expensive proposition for both sides. The deal includes a ceasefire to begin Sunday and the withdrawal of heavy weapons .