Iranian and US negotiators wrapped up a fifth round of talks on Friday, with mediator Oman saying there was some limited progress in negotiations aimed at resolving a decades-long dispute over Tehran’

Oman's foreign minister, who mediated Iran-US talks, describes them as having 'some but not conclusive progress.'

Iran warned it would hold the United States responsible for any Israeli attack on its atomic facilities, on the eve of a new round of nuclear talks between Washington and Tehran.

Qatar on Tuesday said it was discussing ideas with Oman to try to bridge the remaining gaps in talks between Washington and Tehran as Iran's supreme leader cast doubts on whether negotiations would reach a conclusion.

Media stories quoting the Iranian Foreign Ministry’s spokesperson on the cancellation of the nuclear talks between Iran and the US were nothing but a wild rumor, Tasnim has found.