India, April 11 -- Donald Trump has laid out a blunt precondition ahead of the diplomatic engagement amid the US-Iran war in Islamabad, saying, "No nuclear weapon. That's 99% of it."

On his way to attend a fundraiser event at the Trump Winery in Charlottesville, Trump addressed reporters and outlined his expectations from Tehran before the Islamabad talks.

The remarks come amid increased regional geopolitical tensions and a renewed emphasis on Iran's nuclear program.

Trump told reporters outside his Air Force One that preventing Iran from acquiring nuclear weapons remains his primary objective. He said, "No nuclear weapons number one. You know, I think it's already been regime change, but we never had that as a criteria."

He further e...