Iran's right to enrich uranium is not negotiable, Foreign Minister Abbas Araqchi said on Wednesday, ahead of a second round of talks in Oman this weekend with the United States about Tehran's disputed nuclear programme.

In the first few weeks of Donald Trump’s second term, Iran’s supreme leader, Ayatollah Ali Khamenei, repeatedly rejected the U.S. president’s offer of negotiations over Iran’s nuclear program, just as he had during Trump’s first term.

Hawkish national security experts are slamming President Trump’s opening bid for nuclear talks with Iran as little more than a rehash of the Obama-era nuclear deal, leading his top negotiator to

President Donald Trump complained Monday about the pace of nuclear talks between the United States and Iran as the two countries start a new round of pivotal negotiations.