Foreign Minister Mohammad Javad Zarif said on Friday that nuclear negotiations with US Secretary of State John Kerry were positive and at a crucial time period.
Talks are now at a sensitive juncture, Zarif said, adding that the two sides are to resolve remaining as well as minor issues.
Talks between Head of the Atomic Energy Organization of Iran (AEOI) Ali Akbar Salehi and US Energy Secretary Ernest Moniz continue and 'We hope to be progressive,' he added.
Salehi, Zarif’s deputies Abbas Araqchi and Majid Takht-e Ravanchi, and US Under Secretary of State for Political Affairs Wendy Sherman were also present in the meeting.
French and German foreign ministers are expected to join the negotiations on Friday and British foreign secretary is to join the current round of nuclear talks on Saturday morning.
The talks are part of broader negotiations between Tehran and the P5+1 group of countries.