Apple Inc. and Google removed TikTok from their mobile app stores in the US as required by a law that took effect Sunday, after the social media company’s legal challenges failed to head off the measure passed last year to address national security concerns.

Amid the TikTok shutdown, in a rare move, Apple published a statement and a support document listing all affected apps that are inaccessible in the U.S.

Move by Apple and Google required by law as TikTok legal challenges failed to head off measure passed last year to address US national security concerns