But the Islamic news agency reported Nackaerts is traveling at Tehran 's invitation . A six-member International Atomic Energy Agency arrives in Tehran , Iranian media says . The agency head worries that Iran is trying to build nuclear weapons , he says . Iran says its nuclear program is for peaceful purposes . - : Israel and the United States are at odds over a proposed Israeli strike on Iran's nuclear facilities.
A six-member International Atomic Energy Agency arrives in Tehran , Iranian media says . The agency head worries that Iran is trying to build nuclear weapons , he says . Iran says its nuclear program is for peaceful purposes . - : Israel and the United States are at odds over a proposed Israeli strike on Iran's nuclear facilities.