The United States and Iran completed the fourth round of their negotiations in Muscat, Oman, on Sunday over Tehran’s advancing nuclear programme, with both sides agreeing to reconvene at a later date. The talks, held amid growing regional tensions and ahead of President Donald Trump’s visit to the Middle East, lasted approximately three hours.

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By bnm Tehran bureau The United States and Iran agreed to move forward with nuclear talks following direct and indirect discussions in Muscat on May 11, sources close to negotiations said, citing a senior US administration official.