Iran and the United States are set to resume nuclear talks in Rome amid rising tensions, hard-line demands, and Israeli threats of military action. With uranium enrichment at the core of the standoff,

Iran has multiple major sites associated with its rapidly advancing nuclear program, now the subject of several rounds of negotiations with the United States

Iran and the United States made "some but not conclusive progress" Friday in a fifth round of negotiations in Rome over Tehran's rapidly advancing nuclear program, the talks' Omani mediator said.

Iran’s top diplomat is insisting that Tehran will never stop enriching uranium, further underlining the Islamic Republic’s red line in negotiations with the United States over its rapidly advancing nuclear program.

Senior Iranian cleric Ahmad Khatami criticized President Trump amid rising tensions as nuclear talks continue in Rome.

In the latest round of negotiations between the Trump administration and Iran, the US is pushing for zero nuclear enrichment on Iranian soil. But a Senior Iranian official tells CNN’s Fred Pleitgen Iran is “disappointed” with nuclear talks.