TikTok's U.S. ban arrived earlier than expected, logging users out abruptly on Saturday night before midnight ET. See how users are reacting to the sudden shutdown.

TikTok’s ban marooned over 170 million monthly users who made the wildly addictive short-form video app a central part of their daily lives.

TikTok’s app was removed from prominent app stores on Saturday just before a federal law that would have banned the popular social media platform was scheduled to go into effect.

"We are fortunate that President Trump has indicated that he will work with us on a solution to reinstate TikTok once he takes office," the TikTok landing page reads

A looming ban on TikTok set to take effect on Sunday presents a multibillion-dollar headache for app store operators Apple and Google.

TikTok users in the United States attempting to use the app have been locked out as a ban takes effect, saying they can't use it "for now".

TikTok began going dark for US users late Saturday night, a little more than an hour before a new law banning the app was set to take effect.

Welcome back to Week in Review. This week, we’re looking at the impacts of the looming TikTok ban in the U.S., including the “TikTok refugees” moving to

TikTok sent a message to its users: "A law banning TikTok has been enacted in the U.S. Unfortunately that means you can’t use TikTok for now.”

Users were unable to access TikTok Saturday, instead seeing a pop-up message on their screens saying "a law banning TikTok has been enacted."

TIkTok's 170 million users started receiving a "services temporarily unavailable" notice late Saturday night and the app was no longer available in Google and Apple's app stores as a law to ban the app was set to take official effect at midnight.