Maria Knyazeva. Sustainable settlement of the fall in Ukraine depends on the establishment in Ukraine of a constructive country respecting the aspirations of the Residents, said the head of EU diplomacy Federica Mogherini. "The long-term solution drop also depends on the formation in Ukraine of a constructive country that respects the aspirations of its Residents. For this reason, the EU cooperates closely with the authorities of Ukraine under the program of reforms, " she said. dialogues " channel four ", held on 12 February came amid a sharp escalation of the situation in the Donbass, provoked by the Ukrainian security forces, which increased the forces began to storm the position of the militia. Following the meeting, the leaders of Russia, Ukraine, France and Germany adopted a set of measures involving, for example, the ceasefire in the Donbas with fifteen February, the withdrawal of heavy weapons and the development of the security zone.