The U.N. nuclear agency chief Yukiya Amano said on Monday it was "essential and urgent" for Iran to engage with his inspectors on their concerns about suspected Iranian nuclear bomb research and to provide access to a key military site, Reuters reported.
Amano was addressing a session of the agency's 35-nation board, the first since relative moderate Hassan Rouhani took office as Iranian president in early August, raising hopes of progress in the decade-old nuclear dispute.
Amano, director general of the International Atomic Energy Agency, said the IAEA was committed to working constructively with Rouhani's government to "resolve outstanding issues by diplomatic means".
Iranian President Hassan Rouhani has officially assigned the Foreign Ministry to take charge of future nuclear talks with the P5+1 group and the IAEA.
The U.S. and its Western allies suspect Iran of developing a nuclear weapon - something that Iran denies.
The Islamic Republic has on numerous occasions stated that it does not seek to develop nuclear weapons, using nuclear energy for medical researches instead.
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