At such level, uranium is a relatively short jump from weapons-grade material; signatories to nuclear deal have urged Tehran not to squander chance to salvage the 2015 accord

France, Germany and UK say announcement by Tehran violates nuclear deal, reiterate commitment to 2015 pact

Supreme National Security Council condemns 'ruckus' over the legislation, which the government opposes

IAEA report obtained by Reuters says Tehran is installing 3 clusters of advanced uranium-enriching centrifuges at Nantaz in violation of nuclear deal commitments

US president-elect says 'bottom line is we can't allow Iran to get nuclear weapons,' while arguing Trump's policies have actually contributed to such a potential outcome

Tehran's top diplomat says if US wants to reenter the 2015 accord, it must do so without any preconditions; Netanyahu says US return to JCPOA 'a mistake'

Proposal sent to Iran's president, who says it will harm efforts to restore nuclear accord and receive US sanctions relief; supreme leader has final say on whether it’s implemented

In defiance of international sanctions on nuclear program and amid European criticism, bill also calls for operating metal uranium production plant

IAEA says Tehran is using advanced technology at underground Natatz plant prohibited by 2015 nuclear agreement with world powers

IAEA says Tehran has added over 300 kilograms of low-enriched uranium since late August, is also enriching at greater purity than permitted under 2015 pact