US and Iranian delegations will gather in Rome Saturday for a second round of high-level talks on Tehran’s nuclear program amid tempered optimism about a diplomatic way forward.

Iran and the United States will hold a new round of nuclear talks in Rome on Saturday to resolve their decades-long standoff over Tehran's atomic aims, under the shadow of President Donald Trump's threat to unleash military action if diplomacy fails.

Iran on Friday sought support from Russia over a possible deal with Washington over Tehran’s rapidly advancing nuclear program, ahead of a second round of talks this weekend in Rome. Iran's Foreign Minister Abbas Araghchi said he briefed his Russian counterpart,