New Delhi, July 22 -- US President Donald Trump has renewed his threat to strike Iran's Pickaxe Mountain facility, declaring that the United States will target the underground site "pretty soon" as Washington continues its military campaign against Tehran.

Speaking to reporters during a meeting with Lebanese President Joseph Aoun in the Oval Office on July 21, Trump said the US was preparing a major strike on the mountain complex located near Iran's Natanz uranium enrichment facility.

"We'll be hitting that area pretty soon, and very heavily," Trump said.

He added that he was speaking openly about the planned operation only because he believed Iran would be unable to counter it.

"Normally, I wouldn't say that. If I thought they could ...