The Supreme Court seemed likely to uphold a law that would ban TikTok in the United States beginning Jan. 19 unless the popular social media program is sold by its China-based parent company. Hearing arguments in a momentous clash of free speech and national security concerns,

Justices at the United States Supreme Court have signalled scepticism towards a challenge brought by the video-sharing platform TikTok, as it seeks to overturn a law that would force the app’s sale or ban it by January 19.

A majority of the justices appeared more concerned about the national security implications of the popular app’s Chinese ownership than about the restrictions on free speech the law would impose.