Iran and world powers said they have made some progress on how to restore the 2015 nuclear accord, Officials from Tehran and EU announced.
Tehran and the powers have been meeting in Vienna since early April.
"We are on the right track and some progress has been made, but this does not mean that the talks in Vienna have reached the final stage," Foreign Ministry spokesman Saeed Khatibzadeh told a weekly news conference in Tehran.
"Practical solutions are still far away, but we have moved from general words to agreeing on specific steps towards the goal,” Mikhail Ulyanov, Russia's ambassador to the U.N. nuclear watchdog agency (IAEA), wrote on Twitter on Monday.
Europe has also defined the talks as positive steps toward reaching a deal.
“Progress made over the last two weeks,” European External Action Service Deputy Secretary General Enrique Mora said on Twitter. “But much more hard work needed. Third expert group was created to address sequencing issues.”
The talks, aimed at bringing Iran and the United States back into compliance with the nuclear deal.