TikTok, ByteDance file suit seeking to block U.S. law that would force sale or ban of app

TikTok and its Chinese parent company ByteDance said on Tuesday they filed suit in U.S. federal court seeking to block a law signed by President Joe Biden that would force the divestiture of the short video app used by 170 million Americans or ban its use. The companies said they filed a lawsuit in the U.S. Court of Appeals for the District of Columbia arguing that the law violates the U.S. Constitution on a number of grounds, including running afoul of First Amendment free speech protections. The law, signed by Biden on April 24, gives China's ByteDance until Jan. 19…