A federal appeals court on Friday upheld a law requiring TikTok’s Chinese parent company to sell the popular app or face a U.S. ban.

The Supreme Court announced it will take up whether a law that could ban TikTok nationwide violates the First Amendment, setting the stage for a fast-paced, high-stakes battle over free speech.

Supreme Court may take lightning fast action in days on TikTok ban The Supreme Court can normally take months to issue decisions, but this case is expected to be much quicker. With the law scheduled ...