Congress says the popular video app poses a looming threat to the nation’s security because of its Chinese owner. What the justices decide could determine if the app is shut down.

The law that could ban TikTok is coming before the Supreme Court on Friday morning, with the justices largely holding the app’s fate in their hands. Here is the Latest: Why does the US see TikTok as a security threat?

The Supreme Court agreed to fast-track TikTok's request for review, and the Supreme Court hearing comes just nine days before a U.S. ban takes effect.