Washington DC, April 17 -- US President Donald Trump on Thursday (local time) claimed that Iran has agreed to return its "nuclear dust" to the United States, asserting that the understanding comes as part of broader assurances from Tehran, as part of the peace deal, not to pursue its ambition to acquire a nuclear weapon.

Speaking to reporters outside the White House, Trump emphasised that preventing Iran from acquiring nuclear weapons remains a top priority for his administration.

"It is very important that Iran does not have a nuclear weapon. And they've agreed to that. Iran's agreed to that and they've agreed to it very powerfully," he said.

"They've agreed to give us back the nuclear dust that's way underground because of the attack...