French FM warns Trump's 'maximum pressure' tactics only increased risk posed by Tehran; comments come after Iranian announcement of advancing research on uranium metal production

Britain, France and Germany say Tehran has 'no credible civilian use' for the material, which it says it is now researching in breach of nuclear deal

In latest breach of 2015 deal with world powers, Tehran tells UN watchdog it has already modified and installed equipment for R&D on material

Nuclear watchdog head Grossi says if talks are held when Biden takes office, ‘there will have to be clear understanding on how initial terms of accord will be recomplied with’

Ahmad Amirabadi Farahani says deadline for implement parliament decision to end IAEA reviews of country's sites is February 21, as set in 2015 deal

FMs of Germany, France and Britain say Tehran's latest move to depart from nuclear deal 'risks compromising the important opportunity for a return to diplomacy' under Biden

With brazen breach of 2015 nuclear accord, Islamic Republic exerts 'calibrated strategy of pressure' on West, analysts say

Day after upping uranium enrichment to 20%, Islamic Republic's atomic chief announces steps to increase production further

IAEA verifies violation at underground Fordo facility; Iranian FM claims government was legally bound to take step, says move 'fully reversible upon FULL compliance by ALL'

Tehran nuclear chief issues warning amid heightened tensions day ahead of one-year anniversary of Soleimani's killing in US drone strike