In an interview with NBC News, Trump said he was considering issuing a 90-day extension to the deadline. His comments come one day after TikTok warned that its 170mn users would face an imminent blackout after the Supreme Court on Friday upheld the divest-or-ban law that Congress passed last year to address China-related national security concerns.

Users on the app were saying their goodbyes, some filming themselves frantically scrolling or sharing final secrets with their followers ahead of the possible ban.