This is reported by TASS with reference to the statement of the world organization.
The UN Secretary-General reaffirmed his position that diplomacy must prevail to return to full implementation of the Joint Comprehensive Plan of Action.
Guterres also expressed satisfaction with the extension of the truce in Yemen and praised Iran's efforts in this regard.
Earlier, Russian Foreign Minister Sergei Lavrov discussed the situation around the nuclear deal with his Iranian counterpart.