The head of the UN’s atomic energy agency on Thursday welcomed the signing of an initial Iran-US memorandum aimed at ending the war, before proposing “to sit down” with both parties to assist with concrete measures such as verification of Iran’s nuclear programme, a key sticking point.

A tentative peace agreement between the United States and Iran has sparked cautious optimism around the world, with political leaders, international organizations, and regional…

A proposed US-Iran peace pact involves reopening the Strait of Hormuz, ending the blockade, and pausing nuclear enrichment for 60 days. US leaders state that economic benefits…