The United States approved conditional sanctions waivers for Iran on Sunday, though it cautioned they would not take effect until Tehran has curbed its nuclear program as required under a historic nuclear deal reached in Vienna on July 14.
A committee of Iran's conservative-dominated parliament gave its support on Sunday to Iran's nuclear agreement with world powers on condition there would be no foreign inspections of military sites and no curbs on developing its missile program.
Environmental samples have been taken at a sensitive military site in Iran, the head of the U.N. nuclear agency said on Monday, citing "significant progress" in its investigation of Tehran's past activities.
United Nations inspectors will be present with Iranian technicians as they take samples from a key military site, two Western diplomats said, undercutting an objection by U.S. Republicans to the nuclear deal between Iran and world powers.
