Fredrik Dahl

DUBAI (Reuters) - Supreme Leader Ayatollah Ali Khamenei said on Tuesday Iran would need to significantly increase its uranium enrichment capacity, underlining a gap in positions between Tehran and world...

By Louis Charbonneau and Fredrik Dahl VIENNA (Reuters) - A senior U.S. official said on Friday it is unclear whether Iran is ready to take the steps necessary to assure...

By Fredrik Dahl VIENNA (Reuters) - A U.S. security institute estimates that Iran could amass material for a nuclear bomb in three months or less while Iranian experts cite a...

VIENNA (Reuters) - The global nuclear test monitoring agency would quickly detect seismic signs of any new underground atomic explosion conducted by North Korea and inform member states, its head...

VIENNA (Reuters) - International mediators took new peace proposals to Kiev on Thursday as tension in eastern Ukraine soared with an announcement by pro-Moscow separatists that they would proceed with...

VIENNA (Reuters) - The United States and three European allies want a global body controlling nuclear exports to consider whether to establish closer ties with non-members including Israel, despite its...

VIENNA (Reuters) - Iran said it hopes enough progress will be made with major powers this week to enable negotiators to start drafting by mid-May a final accord to settle...

VIENNA (Reuters) - The U.N. atomic agency has got caught up in the diplomatic crossfire over Crimea as Russia insists its agreements with the Vienna-based watchdog now also cover the...

THE HAGUE (Reuters) - World leaders called on countries on Tuesday to cut their use and their stocks of highly enriched nuclear fuel to the minimum to help prevent al...