Iran, which denies seeking to develop a nuclear weapon, has insisted it will not give up domestic uranium enrichment despite the bombings of three nuclear sites. Trump told reporters that Iran has been sending out "nasty signals" and any effort to restart its nuclear program will be immediately quashed.

Analyzing Iran's nuclear program, Donald Trump's warnings, and the resulting geopolitical tensions involving Russia, Ukraine, and the Middle East.

Trump issued the threat as he held talks with British Prime Minister Keir Starmer at his Turnberry golf resort on the western coast of Scotland.