India, Sept. 30 -- President Donald Trump on Tuesday said that he and a large group of leaders of artificial intelligence companies had signed a voluntary accord that will include internal and external reviews during a meeting at the White House aimed at addressing Americans' fears about the technology.

"I think I'm seeing tremendous self-policing. And they understand that they have to self-police," Trump told reporters during an impromptu press conference outside the West Wing.

Trump and House Speaker Mike Johnson met with leading executives from top tech firms that are spending hundreds of billions of dollars to build out AI infrastructure, including data centres in communities across the country, which have sparked grassroots, bipart...