'Make a deal or we'll finish the job': Trump issues fresh warning to Iran

US President Donald Trump on Monday warned Iran that it must reach a nuclear agreement with Washington or face further military action, saying the US would "either make a deal or finish the job."

His remarks came as Iran continued nationwide mourning ceremonies for Supreme Leader Ayatollah Ali Khamenei, who was killed at the start of the US-Iran war on February 28.

Trump warns Iran over nuclear deal

Speaking at the White House, Trump said he preferred a diplomatic solution but insisted the US was prepared to act if negotiations failed.

"We're going to win one way or the other. We're going to either make a deal or we're going to finish the job—and it won't be tough to finish the job," Trump said.

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"I'd rather make a deal because I don't want to affect 91 million people. We can knock down their bridges in one hour," he added.

Trump also reiterated that the US would ensure Iran could not develop nuclear weapons.

"There'll be no nuclear weapon. We're going to be getting the, as I call it, 'nuclear dust'—the enriched material," he said.

He also said he was not seeking regime change in Iran.

Trump's comments came despite a ceasefire between the US and Iran following an interim peace agreement signed last month.

Last week, while Iran held large funeral ceremonies for Khamenei, Trump suggested the gathering could have been targeted militarily but said the US chose not to act because diplomatic efforts were continuing.

"They are all there. One shot, and we can take them all out, but we are not going to do that because then we would have nobody to negotiate with," he told Axios.

Trump also said he was surprised by the size of the crowds attending the funeral, adding that "maybe it's fake tears."

Iran strongly condemned Trump's remarks.

In a post on X, the Iranian embassy in Armenia accused the United States of lacking "civilisation, history and honour."

Referring to the large crowds at Khamenei's funeral, the embassy said, "People can be killed, but ideals cannot. You killed Ayatollah Khamenei, but in reality, you broke a perfume bottle whose scent spread everywhere."

It added that the US could not understand the public mourning because it "neither has civilisation, nor history, nor honour."