(CNN) - The popular video app TikTok is facing backlash in the United States. Lawmakers from both sides of the aisle say TikTok might pose a national security risk.
They're calling on intelligence agencies and regulators to take a close look to the company's ties to China.
Senators Chuck Schumer and Tom Cotton say the app might be used to spy on Americans.
The Beijing-based TikTok is one of the few Chinese-owned social media apps to gain popularity in the U.S.
It was downloaded 177 million times last quarter, second only to WhatsApp worldwide.
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