Iran nuclear talks are halted after new Russian demands related to Ukraine - The Washington Post
▻https://www.washingtonpost.com/world/2022/03/11/iran-nuclear-talks-suspended
A small number of outstanding differences still to be settled between Iran and the United States may also have contributed to the deadlock, diplomats said. They include how far the United States will go in removing terrorism designations from organizations such as the Islamic Revolutionary Guard Corps, guarantees regarding the lifting of U.S. sanctions and the details of a prisoner exchange, which could bring freedom for U.S. and other Western detainees held in Iranian jails.