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.

Iranian and U.S. delegations wrapped up a fifth round of talks in Rome on Friday and signs of some limited progress emerged in the negotiations aimed at resolving a decades-long dispute over Tehran's nuclear ambitions.

ROME (AP) — Iran and the United States prepared for a fifth round of negotiations over Tehran’s rapidly advancing nuclear program Friday in Rome, with enrichment emerging as the key issue.