TEHRAN, June 4 (Xinhua) -- Iran's Supreme Leader Ali Khamenei on Wednesday rejected the U.S. proposal for a nuclear deal that would prohibit any uranium enrichment, emphasizing that uranium enrichment ...

Since April, Iran and the United States have held five rounds of Omani-facilitated indirect talks -- three in the Omani capital Muscat and two in Rome -- over Tehran's nuclear program and the lifting ...