International mediators and Iran are to have a plenary meeting in Vienna on June 6 to continue elaborating the deal on Tehran's nuclear program, Sputnik News reports.
On June 04, diplomats from China, France, Russia, the United Kingdom, the United States, Germany and Iran had another round of talks in the Austrian capital.
End-of-June deadline is for comprehensive agreement with Iran that would guarantee the peaceful nature of Tehran's nuclear activities in exchange for an easing of sanctions.
Russia and China also held a bilateral meeting.