The president made the comment during a visit from Israel’s prime minister, and he signed an executive order to intensify a campaign intended to persuade Iran to give up its nuclear program.

"I've left instructions—if they do it, they get obliterated. There won't be anything left," the president told the press during an Oval Office event.

US President Donald Trump said Wednesday he’s willing to immediately start working on a new nuclear deal with Iran that allows the country to “peacefully grow and prosper,” seemingly softening his stance on the Islamic Republic.