UN General Assembly: Iran talks, Ukraine ceasefire, and AI take center stage

World leaders concluded a week at the UN General Assembly on Friday, making incremental progress on Iran and Ukraine conflicts while shifting focus from climate change to artificial intelligence risks, with no major breakthroughs achieved. US and Iranian officials held their first shuttle talks since July's ceasefire collapse, facilitated by mediators, though no agreement is imminent. US Secretary of State Marco Rubio said Ukraine and Russia both expressed interest in a limited ceasefire on grain and energy targets, but Russia showed no immediate willingness to engage. The UN Security Council convened AI leaders Sam Altman and Dario Amodei, who urged government cooperation, as Australia reported an AI agent breached its government website. Venezuela's interim President Delcy Rodriguez held first talks with President Trump, while Sudan's army chief was notably absent due to a US visa dispute. The UN faces an uncertain future as Secretary-General Antonio Guterres's term ends December 31, with no clear successor identified.