Iran's Supreme Leader Ayatollah Ali Khamenei on Wednesday rejected holding negotiations with the United States over a nuclear deal, as a letter was delivered from U.S. President Donald Trump calling for such talks.

Iran’s Supreme Leader Ayatollah Ali Khamenei said his country is not pursuing nuclear weapons and dismissed US President Donald Trump’s calls for negotiations as a “trick.”

Iran’s U.N. mission said it would be willing to discuss its nuclear program if talks were restricted to military concerns, after its supreme leader appeared to reject President Trump’s offer to start discussions.

Iran's Supreme Leader Ayatollah Ali Khamenei on Wednesday rejected the idea of holding negotiations with the United States over a nuclear deal, as a letter arrived from U.S. President Donald Trump calling for such talks.

Trump revealed this week that he was seeking to strike a new deal with the Iranian regime, after withdrawing from an Obama-era agreement in his first term.

Iran’s Supreme Leader Ayatollah Ali Khamenei has said calls for negotiations by “bully states” are aimed at dominating others, not resolving issues, after US President Donald Trump urged him to reach a nuclear deal.

With sanctions squeezing its economy, Iran is exploring the possibility of talks with the United States while resisting pressure to make major concessions.Since returning to the White House in January,

President Masoud Pezeshkian said Iran would not negotiate with the U.S. while being threatened, telling President Donald Trump to "do whatever the hell you want", Iranian state media reported on Tuesday.

China said it would host nuclear talks with Iran and Russia, days after US President Donald Trump urged Tehran to negotiate a new deal over its atomic work or face military action.