A US law requires TikTok's Chinese owner, ByteDance, to sell the social media company to an American firm or face a ban.

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. —- Why does the US see TikTok as a security threat?

Justices will hear arguments in two consolidated cases taking aim at the federal law, which requires Chinese-owned ByteDance to divest from TikTok, or else TikTok will be banned from U.S. app stores and from being hosted by American internet service providers.