For his part, Iran's Supreme Leader, Ayatollah Ali Khamenei, said Tehran would only return to compliance if the US first lifted economic sanctions
The Atomic Energy Organization of Iran (AEOI) will install new generations of IR2M and IR6 centrifuges at the Fordow and Natanz nuclear facilities, official media reported
Earlier Sunday, Iran turned down the offer for talks saying the "time isn''t ripe" for the meeting, at which the U.S. would have participated as an observer
The state TV report gave little detail beyond confirming that Iran had made good on its threat to reduce cooperation with International Atomic Energy Agency inspectors
Saudi Arabia was a cornerstone of Trump's Middle East policy as the geopolitical counterweight against Iran
The IAEA and Iran have made a "tangible" contribution to the formation of conditions for the start of "a substantive conversation"
Khamenei also commented about Joint Comprehensive Plan of Action (JCPOA) commitments with the US and the 3 European countries
The United States remains committed to ensuring that Iran never acquires a nuclear weapon. Diplomacy is the best path to achieve that goal, Blinken said
Iran is changing its access policy from Tuesday because the US has not lifted the sanctions imposed since Donald Trump abandoned the 2015 nuclear deal
Iranian Foreign Ministry reaffirmed Tehran's intentions to limit the implementation of the Additional Protocol on inspections of its nuclear sites starting February 21
Iran on Friday again urged the US to "unconditionally and effectively" lift its sanctions against Iran, in response to the US stated willingness to "attend a meeting of the P5+1 and Iran"
The State Department said the US would accept an invitation from the European Union to attend a meeting of the participants in the original agreement.
US President Joe Biden has said he will not lift economic sanctions against Iran until it complies with the terms agreed under a 2015 nuclear deal
Zarif made the remarks on social media after US Secretary of State Antony Blinken called on Iran to "come back into full compliance" with the 2015 nuclear deal before Washington does "the same thing"
The Joint Comprehensive Plan of Action (JCPOA), popular as the Iranian nuclear deal, was one of the key foreign policy achievements of the Obama-Biden Administration
Chief of the General Staff of Israeli Defense Forces described the Joint Comprehensive Plan of Action (JCPOA) as a deal that is unacceptable to Israel
At his confirmation hearing before the Senate Foreign Relations Committee, Blinken said: "An Iran with a nuclear weapon ... would be an Iran that will be even more dangerous than it already is"
The remarks by Zarif followed the European trio's (E3) earlier statement about Iran's plan to produce uranium metal-based fuel which, they said, might have military implications
Iran urged the United Nations' nuclear watchdog to avoid publishing unnecessary details on Tehran's nuclear program, state TV reported on Sunday
The United Nations' atomic watchdog agency confirmed Thursday that Iran has informed it that the country has begun installing equipment for the production of uranium metal