Opening week arguments to focus on whether UN's top justice forum has jurisdiction to rule on Tehran's claim against Washington; final judgement will take years

Tehran announced resumption of enrichment at Fordo site last November in a further step away from 2015 nuclear accord abandoned by Washington in May 2018

Tehran's nuclear chief says work has already begun on facility to replace Natanz, damaged in mysterious July 2 explosion

Atomic organization spokesperson says security services now have full knowledge of what happened at Natanz facility in July

Spokesman for Iran's nuclear body says Tehran may grant UN agency approval to inspect two sites, provided it does not subsequently demand to see more

Spokesperson tells state TV that security officials will 'reveal in due time' the cause of the explosion at the nuclear site

Tehran's envoy to IAEA says Rafael Grossi coming at Islamic Republic's invitation, without link to Trump's attempts to trigger 'snapback' mechanism

White House claims 'legal right' to reimposing UN restrictions on Tehran, to take effect in 30-days, as both allies and foes call move illegal, doomed to failure

Israel's new UN envoy praises Washington-brokered UAE normalization deal, calls for altering UNIFIL mandate; meeting joined by US ambassador to UN and special envoy on Iran

FM says UN Security Council should stop Washington's unilateral 'misuses' of council resolutions and 'force' American accountability for damage it has caused to Iran