Nadergholi Ebrahimi has asked Supreme Leader Khamenei to rethink Iran's nuclear policy if negotiations with the U.S. collapse.

Iran will hold talks in Istanbul on Friday with European parties to their now-moribund 2015 nuclear deal, two European and an Iranian diplomatic source said on Tuesday,

Iran’s top nuclear negotiator said he hopes the US will show a “more realistic approach” at the next round of talks between the two countries.

DUBAI, United Arab Emirates (AP) — Iran and the United States held a fourth round of negotiations Sunday over Tehran’s rapidly advancing nuclear program, just ahead of a visit by President Donald Trump to the Middle East this week.

Iran tensions, The New York Times reports that Iran has secretly offered a joint nuclear enrichment venture involving Arab nations and U.S. investments as an alternative to Washington’s demand for a halt in uranium enrichment.

The talks with the UK, France and Germany would be held in Istanbul on Friday, ministry spokesman Esmaeil Baghaei said, quoted by state news agency IRNA. French diplomatic sources gave the same information, but there was still no word from Berlin or London on the meeting which was originally slated for earlier this month but postponed.

Investing.com - U.S. President Donald Trump has delivered comments on a wide range of topics on Thursday as part on an ongoing tour of the Gulf region, including a potential nuclear deal Iran and Apple’s (NASDAQ:AAPL) operations in India.

Vice President JD Vance said an Iranian nuclear weapon is "off the table" for the Trump administration before talks in Oman, with "complete cessation" the goal.

President Donald Trump said that the United States was getting very close to securing a nuclear deal with Iran, and Tehran had "sort of" agreed to the terms.

The latest round of high stakes nuclear talks between Iran and the US have ended, with Tehran calling them difficult but with both sides agreeing to further negotiations.