Iran’s supreme leader has denounced a proposal by the United States aimed at curbing Tehran’s nuclear efforts and demanded that his country retains national independence amid reports of Washington offering to become involved in Tehran’s nuclear program.

Iran rejected a U.S.-proposed nuclear deal Wednesday, vowing to continue enriching uranium while negotiations appear to be stalling after five

Iran's Supreme Leader Ali Khamenei criticized the U.S. proposal for a nuclear deal on Wednesday and stressed Iran won't accept an agreement that makes its nuclear program dependent on other countries.