Tehran threatens retaliation as Trump weighs military action while Qatar pushes to revive talks.

Iran’s central military command says it has received information that the United States is preparing to resume strikes on the country.

The warning, issued on Sunday by the Khatam al-Anbiya Central Headquarters, which oversees Iran’s armed forces, raises the prospect of a new round of fighting after months of reduced direct attacks.

Tehran said any renewed US assault would bring retaliation against American bases and interests in the Middle East and warned regional countries against helping Washington.

The military command said states that allowed their territory or facilities to support US attacks would be “considered complicit” and could face an Iranian response.

US President Donald Trump told Fox News on Sunday that he was in a “deciding mode” over Iran and said his options included further military action, economic pressure or a deal.

He also said he would be open to meeting Iranian President Masoud Pezeshkian on the sidelines of the United Nations General Assembly in New York this week.

Iran’s Foreign Minister Abbas Araghchi left Tehran on Sunday evening for the UN General Assembly in New York, state media announced, adding that he is making a brief stopover in Qatar.

Parliament Speaker Mohammad Bagher Ghalibaf told lawmakers on Sunday that Tehran should use military force to push back its opponents before turning to diplomacy to secure any gains.

Tehran has told Qatari and Pakistani mediators that conditions for renewed talks include an end to the war and US attacks, the release of frozen Iranian funds and the lifting of the US naval blockade on Iranian ports.

Ghalibaf said the Strait of Hormuz would remain closed until Washington met what Iran says are its commitments under an earlier agreement.

Al Jazeera correspondent Tohid Asadi, reporting from Tehran, said Iranian officials were sending a deliberate two-track message, signalling that they remained open to diplomacy while preparing for renewed fighting.

Qatar, a Gulf state mediating between the two sides, says its officials are travelling between capitals and exchanging proposals aimed at restarting negotiations.

Qatari Foreign Ministry spokesperson Majed al-Ansari said Doha had heard assurances from US officials that Washington wanted an agreement.

The confrontation is already disrupting the Strait of Hormuz, a narrow waterway linking the Gulf to the Arabian Sea and a key route for global energy shipments.

Shipping data showed 12 commodity vessels crossed the strait over the weekend, down from 35 the previous weekend. The war began in late February after joint US-Israeli strikes on Iran.

A 60-day memorandum reached in June reduced full-scale fighting but expired last month, with attacks around Hormuz increasing since then.

Mark Pfeifle, a Republican strategist and former White House national security official, told Al Jazeera that both countries were “locked in this frozen conflict” and trying to increase pressure before possible diplomacy around the UN gathering.