Antonio Guterres called on nuclear-armed states to return to dialogue in order to prevent any use of nuclear weapons and reduce their role in security policy.
Tehran's UN envoy says the US president's remarks at the UN General Assembly raise serious alarm over rising tensions.
Iran's UN envoy says threats by US President Donald Trump to destroy Iran, delivered from the UN General Assembly podium, represent a serious escalation.
Secretary-General Guterres condemned all attacks on civilians and civilian infrastructure amid the war in Ukraine.
The appeal follows a UN Human Rights Office database update listing 214 companies, including 61 newly added, with ties to Israeli settlements in the occupied Palestinian territories.
Addressing the UN General Assembly in New York, a UAE minister of state called for reduced tensions across the region and unimpeded maritime transit.
Foreign ministry spokesperson Maria Zakharova pushed back on media claims that Germany's top diplomat made a concession by agreeing to meet Lavrov, according to TASS.
The selection process for the next UN chief is underway, with one of seven candidates set to take office on January 1, 2027, according to Anadolu Agency.
Iranian Foreign Minister Abbas Araghchi met his Burkina Faso counterpart in New York to discuss bilateral relations and regional developments.
A source close to Tehran's delegation says there is no plan to hold negotiations with Washington during its visit to New York, Mehr News reports.
A source close to Iran's UN delegation says there is currently no plan for negotiations with the United States during the New York visit.
Of those engagements, 42 were described as full-fledged rounds of talks.
The US ambassador to the United Nations reiterated that no option is off the table regarding Iran, after Trump said he continues to consider renewed strikes.
Berris Ekinci and Levent Gumrukcu attended a series of diplomatic meetings and events on the sidelines of the UN General Assembly session.
Iran's deputy UN representative pointed to NATO chief's acknowledgment that aircraft used European territory as evidence of Europe's involvement.
Iran's foreign minister said presenting Tehran's terms for reopening the Strait of Hormuz was the focus of his meetings at the UN.
Tehran's UN envoy said NATO's use of European bases to back alleged US aggression against Iran violates international law.
A week of high-level diplomatic activity at the United Nations produced uneven progress toward ending the conflict between the US and Iran.
Hakan Fidan met with UN General Assembly president Khalilur Rahman and US Ambassador to the UN Michael Waltz on the sidelines of the UN General Assembly.
Abbas Araghchi held talks with the UNGA president on the sidelines of the assembly's session in New York.