President Hassan Rouhani rejects the “concerns” of the Europeans and the United States about Iran’s recent decision to start enriching uranium to 60-percent purity.

Talks have been underway in Vienna to restore the JCPOA under a new administration at the White House.

A senior Russian diplomat says the administration of US President Joe Biden is not willing to remove sanctions imposed by his predecessor Donald Trump on Iran.

President Hassan Rouhani says the recent talks between Iran and the other remaining signatories to the 2015 nuclear agreement opened a "new chapter" in the process of reviving the multilateral deal as the participants in the Vienna meeting unanimously underlined the need to fully implement the accord.

Foreign Minister Zarif has urged the so-called E3 to act constructively in the upcoming JCPOA meeting in Vienna.