It is true that the ban, running under the legislation titled "Protecting Americans from Foreign Adversary Controlled Applications Act," has run on the grounds that the app poses "a national-security threat of immense depth and scale," according to the U.S. Justice Department .

Legislation to ban TikTok in the United States has come into effect. What does this mean for TikTok users in the US?

TikTok went offline in the United States Saturday night, less than two hours before a ban was slated to go into effect.