Deputy head of Russian Foreign Ministry Sergei Ryabkov and U.S. Ambassador to Russia John Tefft discussed the issue of resolving the conflict situation in Ukraine, informs the Department of information and press of the Russian Ministry of foreign Affairs. in addition, employees of the foreign Ministry discussed some bilateral issues, according to the Internet representation offices. Remember, first on Thursday USA USA promised to raise the "economic price" for the Russian Federation because of the situation in Ukraine. on the first day of the week in Berlin the head of foreign Ministers "channel four" held dialogues on the situation in Ukraine. Following the meeting, the Ministers called for the observance of the Minsk agreements and the withdrawal of heavy weapons, as well as among them tanks. In addition, the negotiators called for a contact group without delay to make four working groups for Ukraine. In Kiev on the results of the negotiations said that the foreign Minister was unable to come to a consensus on a number of issues. Lavrov also said that the Ministers of foreign Affairs of the countries "channel four" expressed concern about the ongoing economic blockade by Kiev Donbass. Recall, February 12, in the process nearly 16-hour negotiations was signed Document of the contact group on measures aimed at implementation of the Minsk agreements. The document envisages a ceasefire in the Donbass with 00. 00 local time fifteen February, the withdrawal of all heavy weapons by both parties to the conflict " to equal the distance of a width of at least 50 kilometres between them "