IAEA calls on Tehran to grant it access to two undeclared sites where there is 'possible undeclared nuclear material and nuclear-related activities' taking place

Tehran's UN ambassador accuses Israel, US of 'pressuring' IAEA, as some of the places where access was refused are said to be suspected nuclear sites flagged by Jerusalem

US calls blocking of UN official from nuclear site an 'outrageous provocation,' warns Tehran to not 'test the international community's resolve'

Tehran's ambassador to International Atomic Energy Agency says efforts to coerce monitor group will be counterproductive to Iranian cooperation