Tehran approached the talks warily, sceptical they could yield a deal and suspicious of Trump, who has repeatedly threatened to bomb Iran if it does not halt its accelerating uranium enrichment programme - regarded by the West as a possible pathway to nuclear weapons
While each side has talked up the chances of some progress, they remain far apart on a dispute that has rumbled on for more than two decades
Iran has long denied seeking nuclear weapons capability but Western countries and Israel believe, Iran is covertly trying to develop the means to build an atomic bomb
"This is a beginning So it is normal at this stage for the two sides to present to each other their fundamental positions through the Omani intermediary"
Signs of progress could help cool tensions in a region aflame since 2023 1. wars in Gaza and Lebanon 2. missile fire between Iran and Israel 3. Houthi attacks on Red Sea shipping 4. and the overthrow of the government in Syria.
