In his first interview to a television channel since he took the charge as the US president , Trump said he was going to sign an order placing a ban on people from seven Muslim-majority countries entering the US on Wednesday but it was delayed, apparently because of a huge public backlash.
Trump also spoke on a wide range of subjects, from Obama care to immigration and war on terror.
When asked to name the countries whose citizens would not enter the US, the president said: "You'll be hearing about it in two hours because I have a whole list. You'll be very thrilled."
He said he was focusing on the people who came "with evil intentions. I don't want that. They're Islamic State militant group. They're coming under false pretence. I don't want that."
When asked why Afghanistan, Pakistan and Saudi Arabia were not on the ban list, Trump said: "We're going to have extreme vetting in all cases. And I mean extreme. And we're not letting people in if we think there's even a little chance of some problem."
Asked if this was the Muslim ban that he had talked about during the election campaign, he said: "It's not the Muslim ban. But it's countries that have tremendous terror.... and it's countries that people are going to come in and cause us tremendous problems."