The UN Security Council fails to prevent the automatic reimposition of crippling nuclear sanctions on Iran, plunging diplomatic efforts into chaos and escalating global tensions over Tehran's atomic programme.
Iran has initiated the controversial 'snapback' mechanism in the 2015 nuclear deal, a move that could see all UN sanctions on the country reinstated and further escalate tensions with the US and Israel.
The Trump administration has warned it will trigger a 'snapback' of UN sanctions on Iran if the country continues to breach the 2015 nuclear deal, escalating tensions ahead of the US election.