Iran is "exploiting the time to modify nuclear facilities in ways that could diminish the impact of a potential military strike on those sites and their outcomes,” sources said.

The risk of conflict is growing as Iran signals strikes on Israeli nuclear facilities despite ongoing nuclear talks.

Iran’s nuclear program remains a top focus for inspectors from the International Atomic Energy Agency, particularly as any possible deal between Tehran and the United States over the program would lik

Russia proposed transferring Iran’s excess nuclear material to its territory as part of efforts to assist Iran and the US in reaching an agreement over the Islamic Republic’s atomic program, Interfax reported.

A spokesperson for the dissident MeK group told Newsweek of "a more advanced" alleged Iranian nuclear weapons program.

Russia said on Wednesday it was ready to remove nuclear materials from Iran and convert them into fuel as a potential way to help narrow differences between the United States and Iran over the Islamic Republic's nuclear programme.

US-Iran nuclear negotiations face a critical delay due to a scheduling dispute, amid growing tensions over uranium enrichment, sanctions, and looming IAEA censure.

The military is considering several options for how to respond if the ongoing U.S.-Iranian negotiations crumble and Tehran pursues a nuclear weapon, according to the top U.S. general overseeing the Middle East.