TikTok's owner ByteDance has been accused of allowing Chinese Communist Party (CCP) members to access the data of Hong Kong civil rights activists and protesters.
Users who uploaded "protest-related content" were also identified and monitored, former ByteDance executive Yintao Yu alleges in a US court filing.
The CCP members were also able to access US TikTok user data, Mr Yu says.
A ByteDance spokesperson denied the claims, describing them as "baseless".
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