TikTok says it will "go dark" in the United States on Sunday, threatening access to the app for 170 million users, unless the government provides assurances that a law mandating its sale or ban won't be used to punish service providers.
After months of legal tussles, the US Supreme Court on Friday upheld a law that would ban the popular video-sharing platform in the name of national security, unless its Chinese owners reach an 11th-hour deal to sell it to non-Chinese buyers by Sunday.
