Iran and the United States plan to meet over Tehran’s rapidly advancing nuclear program again next week, after both sides said they made progress in their talks Saturday in Rome. A U.S. official confirmed that at a point during the negotiations in Rome,

The United States and Iran are due to hold their second round of nuclear talks on Saturday, as what both sides are looking for in a deal begins to take shape.

A concrete progress in the US-Iran talks is unlikely until Tehran is given solid assurances from external parties, especially after the 2018 setback when Washington withdrew from the 2015 nuclear pact