Iran and the United States concluded a fifth round of high-stakes nuclear talks in Rome on Friday amid growing skepticism in Tehran about the chances of a deal as Washington hardens its position.

Mediator Oman says Iran and the United States made “some but not conclusive progress” in a fifth round of negotiations in Rome over Tehran’s rapidly advancing nuclear program

Iran and the United States will hold talks Friday in Rome, their fifth round of negotiations over Tehran’s rapidly advancing nuclear program. The talks follow previously negotiations in both Rome and in Muscat,