Israel has attacked a major petrochemical plant in Iran's South Pars natural gas field and killed a top Revolutionary Guard commander.
Iran's defiance came as Israel launched airstrikes on Tehran and as the United States deployed paratroopers and more Marines to the region.
Fighting around nuclear power plants has repeatedly raised fears of a nuclear catastrophe during three years of war.
The U.N.’s atomic watchdog agency says Iran continues to increase its stockpile of enriched uranium, in violation of limitations set in the landmark 2015 nuclear deal with world powers.
Iranian state television reports that the country will no longer abide by any of the limits of its 2015 nuclear deal.
The U.N.'s atomic energy watchdog has confirmed that Iran is enriching uranium above the threshold set in the 2015 nuclear accord.
President Obama says the U.S. has reached a "historic" agreement with Iran and if implemented, will prevent the country from producing nuclear weapons.