The Supreme Court seemed to lean Thursday toward upholding a law forcing Chinese parent company ByteDance to sell off TikTok, with all nine justices indicating national security concerns posed by the social media app outweighed potential threats to free speech.

TikTok faced Congress’s concerns over data harvesting by the Chinese Communist Party at the U.S. Supreme Court.

The Supreme Court appeared largely—though not entirely—unmoved by arguments that a federal ban on TikTok would violate the First Amendment rights of the