TikTok may go dark Sunday unless Biden ensures the ban won't be enforced.The Supreme Court upheld a law requiring TikTok's US operations to be sold by Jan. 19 or face a ban.Biden's administration doesn't plan to enforce the ban before Trump takes office.

By Andrew Chung, John Kruzel and David Shepardson WASHINGTON (Reuters) -TikTok warned late Friday it will go dark in the United States on Sunday unless President Joe Biden's administration provides assurances to companies like Apple and Google that it will not face enforcement actions when a ban takes effect.