Iran will start injecting uranium gas into centrifuges at its underground Fordow enrichment facility, Iranian President Hassan Rouhani said on Tuesday, a highly symbolic breach that will complicate European efforts to salvage Tehran’s nuclear deal. Under the 2015 agreement between Iran and world powers, Iran agreed to turn Fordow into a “nuclear, physics and technology center” where 1,044 centrifuges are used for purposes other than enrichment, such as producing stable isotopes, which have a variety of civil uses. Iran has gradually scaled back its commitments to the deal, under which it curbed its nuclear program in exchange for the removal of most international sanctions, after the United States reneged on the agreement and reimposed sanctions. The pact allows Iran only to spin the centrifuges at Fordow, located inside a mountain near the holy city of Qom, without injecting gas. Uranium gas injection could allow production of […]