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.

In Rome, Iran and the United States have made slight progress in discussions regarding Iran's nuclear program, mediated by Oman. While disagreements persist over uranium enrichment, both sides express commitment to resolving the long-standing dispute,

Iran's foreign minister described nuclear talks with the United States as "complicated", following the conclusion of a fifth round of discussions in Rome on Friday.The talks, which began in April, are the highest-level contact between the foes since the United States quit a landmark 2015 nuclear accord during President Donald Trump's first term.