Secretary of the Supreme National Security Council of Iran Saeed Jalili said guaranteeing nuclear security internationally needs contribution of all states. Speaking to a group of Russian elites in Iran Embassy in Moscow, Jalili said guaranteeing security, disarmament and promotion of the system of non-proliferation of nuclear weapons globally would be possible through contribution of all and balancing duties and rights of the NPT and the IAEA members. He said non-proliferation of nuclear weapons, as the corner stone of international security, has been among pillar issues taken by the Islamic Republic of Iran into consideration. He added that Tehran and Moscow can be active in this domain.