break | Iran Deputy Minister of Foreign Affairs, Kazem Gribabadi: - The official threat of the United States to use tactical nuclear weapons against Iran will cause the collapse of the nuclear justice system. - Washington has not officially threatened to use nuclear weapons against Iran, aware of the catastrophic consequences this could have on the country, the region and the world. - Iran will not remain passive in the face of possible nuclear threats, and it is natural that it will take the necessary and appropriate steps.