The US House of Representatives (HoR) has passed a bill on Wednesday that could lead to a nationwide ban on TikTok, BBC reported.
Lawmakers approved the bill amidst China's warnings that the ban on TikTok would "come back to bite" the US.
The bill in the House of Representatives would force the Chinese-owned app to sever ties with China or become unavailable in the US.
US officials have long expressed concern about TikTok, citing potential national security risks which TikTok's owners have repeatedly rejected.
The bill - officially known as the Protecting Americans from Foreign Adversary Controlled Applications Act - now heads to the Senate, where it is unclear if it has enough support to pass.
If it does, the White House has said that President Joe Biden will sign it into law.
Lawmakers say TikTok's owner ByteDance has links with the Chinese Communist Party - something denied by ByteDance and TikTok.
Meanwhile, former President Donald Trump has criticized the new bill, saying limiting TikTok would unfairly benefit Facebook.
