Speaking at nuclear watchdog's annual conference Grossi tells Iran that probe 'not going to go away'; Tehran accuses Israel of planting evidence

Mohammad Eslam says he hopes meeting 'will put an end... to the false accusations' about undeclared sites where nuclear material was found

UN nuclear chief Rafael Grossi urges more transparency from Tehran, says 'good words' not enough

Remarks come days after Revolutionary Guard threatens to turn New York into 'hellish ruins' through nuclear warheads it could mount on its long-range missiles

Mohammad Eslami says 2015 nuclear deal was supposed to remove any suspicion Iranian program is not entirely peaceful, and as long as accusations persist, monitoring will be stopped

Tehran's nuclear agency head Mohammad Eslami says UN watchdog 'exploited by illegitimate regime,' has had 'reputation destroyed'

US, Britain, France and Germany urge Tehran to 'fulfill its legal obligations' to UN watchdog and demonstrate that its nuclear program is not being used for military purposes

Bennett applauds motion brought by US, Britain, France and Germany as exposing Iran's 'true face'; Russia and China oppose resolution

Head of country's Atomic Energy Organization blames Israel for 'sowing doubts' about the nature of the Islamic Republic's nuclear program

Mohammad Eslami insists Tehran will not further approach weapons-grade uranium should efforts to restore the 2015 accord collapse