E3 (Britain, France, Germany) likely begin UN snapback process on Aug 28 Snapback would restore sanctions including arms embargoes and travel bans Iran enriched uranium to 60% purity, enough for six weapons by June 13 IAEA inspectors returned on Aug 26 but no agreement on site access E3 demands Iran account for 400 kg of uranium and talks with US Iran warns of harsh response and may withdraw from Nuclear Non-Proliferation Treaty Iran disputes E3's legal right to trigger snapback Russia proposed resolution to delay snapback until spring 2026.