Iran firmly maintains its right to enrich uranium, citing its membership in the Nuclear Non-Proliferation Treaty.
Further US-Iran nuclear negotiations in Oman have been postponed due to unspecified logistical reasons, causing a delay.
The US insists Iran halt enrichment, claiming only nuclear-armed states enrich uranium, a statement disputed by Iran and others.
This diplomatic stalemate adds to global concerns regarding the revival of the 2015 nuclear deal and regional stability.
