Iran’s supreme leader must revoke a fatwa banning the development of nuclear weapons if the regime is to survive, his top military commanders have said.

Iran has faced suspicion for decades over its nuclear ambitions and whether it’s developing the capability to fire an atomic weapon.

Iran’s President Masoud Pezeshkian on Monday said the United States is not sincere and ready in seeking negotiations with Tehran as crowds of people, many chanting “Death to America”, rallied across the country to mark the anniversary of the 1979 Islamic Revolution.

Trump reiterates his position that he would rather reach a deal with Iran on its nuclear program than have Israel attack Iran’s nuclear facilities: I think they're scared. I think Iran would love to make a deal.

Tension is escalating between the U.S. and Iran over its nuclear ambitions. On Tuesday, President Donald Trump signed an executive order to sanction Iran over their development of nuclear weapons and their exporting terrorism through proxy groups.

The Treasury sanctions are directed at more than a dozen people and companies based in China, India and the United Arab Emirates.

U.S. concerns about Iran developing nuclear weapons are not a complicated issue and can be resolved given Tehran's opposition to weapons of mass destruction, Iran's Foreign Minister Abbas Araqchi said on Wednesday,