International Atomic Energy Agency chief Yukiya Amano visited Tehran on Sunday and met with President Hassan Rouhani, President of the Atomic Energy Organisation of Iran Ali Akbar Salehi, and Foreign Minister Mohammad Javad Zarif to discuss unresolved concerns over previous "possible military dimensions" to Iran's nuclear programme.
Neither the Iranian diplomats nor IAEA authorities have given any significant details regarding the official visit.
The International Atomic Energy Agency confirmed the visit and said in the meeting Mr. Amano discussed issues connected with the verification and controlling of nuclear plants in association with precautions under the Joint Comprehensive Plan of Action.
Iranian nuclear experts have taken environmental samples from the military site in Parchin without the participation of any IAEA inspectors, Behruz Kamalvandi, the spokesman for Iran's atomic energy agency, was quoted as saying by Iranian news agency IRNA.
Head of Iranian IAEA delegate Reza Najafi also indicated in a tweet last week that Parchin "is a military site and Iran will not let any inspector go there."
Western intelligence agencies believe nuclear arms research many have taken place at Parchin although Iran has denied such claims and states its nuclear programme is completely peaceful in nature.
A historic agreement between Iran and the six world powers Germany, the US, Russia, China, Britain and France over Iran’s nuclear program was reached on July 13, 2015, in the Austrian capital Vienna after almost two years of negotiations.
According to the deal, Iran’s nuclear activities will be restricted in exchange for relief from sanctions. The main purpose of the deal is to end the nearly 12 year long stand-off between Iran and the West.