Reuters could not immediately verify ​the report.

The White House and the US ​State Department did not immediately respond to Reuters’ requests for comment.

The mediators are discussing the terms ​of a two-phased deal, the report ​said, adding that the first phase would be a ‌potential ⁠45-day ceasefire during which a permanent end to the war would be negotiated.

The second phase would be an agreement on ​ending the war, ​the ⁠report said.

The ceasefire could be extended if additional time was required ​for talks, the report said.

US ​President ⁠Donald Trump told the Wall Street Journal on Sunday that his deadline for Iran to ⁠open ​the Strait of Hormuz ​or face attacks on critical infrastructure is Tuesday evening.

The report said the chances of reaching even a partial agreement within 48 hours were considered slim, but described the effort as a last attempt to prevent a sharp escalation, including potential strikes on Iranian civilian infrastructure and retaliatory attacks on energy and water facilities in Gulf states.