Foreign Minister Sergei Lavrov called in a telephone conversation with U.S. Secretary of State John Kerry on Friday for urgent dialog, mediated by the Organization for Security and Cooperation in Europe, between Kiev and south-eastern regions of Ukraine.
Lavrov also called for Washington to help end Ukrainian military operations in the south-east of the country.
"Sergei Lavrov expressed the hope that... Washington will closely work with Kiev to bring about an end to military actions in the south-east, the freeing of political prisoners and an amnesty for protesters," the ministry in a statement.