Iran confirmed that nuclear talks with the US will take place in Rome this weekend, after initial confusion about the location. Oman will mediate the discussions. The stakes are high as tensions rise over Iran's nuclear program. President Masoud Pezeshkian approved the resignation of a vice president, Mohammad Javad Zarif, amid criticism from hard-liners. The IAEA's Rafael Grossi is visiting Tehran for meetings. Iran has increased uranium enrichment since the US withdrew from the nuclear deal in 2018. Foreign Minister Abbas Araghchi warned the US against contradictory positions in negotiations.