International Atomic Energy Agency head Yukiya Amano says his organization was 'in constant touch' with the U.S., but has yet to hear from Trump administration on their concerns.
Nuclear watchdog says Iran was just above the limit of 130 tons on its heavy water stock set by the deal with world powers.
'There shouldn't be any surprises for anyone. Iran continues to honor its commitments,' a senior diplomat says. 'At this point in time it's clearly below the 300 kg limit. It's not close to making us nervous.'
Tehran denies having a hand in Robert Levinson's disappearance almost nine years ago; his family is 'devastated' he is not among the prisoners released.
Israel responds to UN agency declaration with skepticism; with lifting of sanctions, tens of billions of dollars' worth of Iranian assets will be unfrozen.
Iranian foreign minister to meet with John Kerry and EU's Federica Mogherini in Vienna before releasing statement on deal's implementation.
Report, which would pave the way for sanctions on Iran to be lifted, is nearly completed, diplomatic source in Vienna says.
Iranian president welcomes IAEA closure of investigation as political victory, says implementation of deal to begin in '2-3 weeks.'
IAEA report said Iran did work relevant for nuclear bomb, yet world powers want to push ahead with nuclear deal struck in July.
Israel welcomes assessment by IAEA, which says most 'coordinated' work on developing such arms was done before 2003, with some activities continuing up to 2009.