US lawmakers are set to grill TikTok's chief executive on Thursday, in a wide-ranging hearing that could not come at a more consequential moment for the embattled social media platform.

TikTok's chief executive will face tough questions from lawmakers on Thursday who are convinced the Chinese-owned short video app should be barred for being a potential national security threat to the United States.

Chinese-owned short video app TikTok faces a "pivotal moment" as a growing number of U.S. lawmakers seek to ban the popular app over national security concerns, CEO Shou Zi Chew said.Chew said in a video posted on TikTok early on Tuesday that the app now has more than 150 million active monthly U.

TikTok CEO Shou Zi Chew is set to appear before Congress to defend his company amid data security concerns over the Chinese-owned social media app. NBC News’ Julie Tsirkin and Executive Director of the National Security Institute,