TikTok went dark for American users in an unprecedented display of the U.S.-China divide over technology and national security.The app started halting service Saturday night for 170 million users in its most important market shortly before a law took effect requiring it to shed its Chinese ownership or close in the U.

Trump spoke to NBC News' Kristen Welker in an exclusive phone interview Saturday, discussing his plans on what to do about the popular social media app.

The incoming president said he will “most likely” give TikTok a 90-day extension called for in a law upheld by the Supreme Court yesterday to see it sold or banned by a deadline tomorrow. In a phone interview with Meet the Press moderator Kristen Welker of NBC News,

President-elect Donald Trump said he will "most likely" give TikTok a 90-day grace period to avoid getting banned once he takes office on Jan. 20.

TiKTok has locked users in the United States out as a ban takes effect — but incoming president Donald Trump has signalled he could offer a "reprieve".

App goes offline with message saying it’s ‘temporarily unavailable’ but suggests Trump could save it - TikTok posts message saying the incoming president, who will be sworn in on Monday, could help th