The chief Iranian negotiator, Parliament Speaker Mohammad Bagher Ghalibaf, said there has been "progress" in negotiations with the United States, but confirmed that both sides are still far from reaching a final agreement.

He stated in comments to Iranian state television, broadcast in the early hours of Sunday morning: "We have reached a more realistic understanding with the American delegation during the negotiations, despite the ongoing mistrust."

Ghalibaf added: "During the negotiations, some agreements were reached on certain issues, while we did not agree on others."

The Iranian official, who led Iran’s delegation in a round of talks hosted by Islamabad a few days ago, continued: "We are still far from a final agreement."

He also confirmed that "there were some misunderstandings during the negotiations, including the issue of the release of frozen assets."

Additionally, the “IRNA” agency quoted the Iranian Deputy Foreign Minister as saying: "We will not send any enriched materials to the United States and this matter is not open for discussion."

Towards a resumption of war?

A high-level American official, speaking to the website Axios, warned that military action against Iran could resume within days if negotiations between Washington and Tehran fail to make sufficient progress soon.

Axios reported serious concerns about the collapse of the current ceasefire agreement, noting that U.S. President Donald Trump held high-level security consultations three days before the scheduled end of the truce, amid escalating tensions with Iran.

According to the report, the coming hours are considered critical, as sources confirmed that if tangible progress is not made on the pending issues today, the chances of renewed hostilities will significantly increase.

Recent developments indicate that Iran’s crisis is reaching a critical stage, with the ceasefire expected to end in three days, while a final date for a new meeting between Washington and Tehran negotiators has yet to be set.

On Saturday, Iran announced the re-closure of the Strait of Hormuz, amid reports of multiple Iranian attacks on several vessels in the strategic waterway, less than 24 hours after Trump’s statement that a peace agreement could be signed “within a day or two."