TikTok Faces Government Restrictions on U.K. Expansion Drive

  • Popular app may be banned from moving user data out of country
  • But Johnson unlikely to impose outright ban on London office

ByteDance Ltd.'s TikTok app 

Photographer: Andrew Harrer/Bloomberg
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Boris Johnson’s top advisers may impose restrictions on TikTok’s activities in the U.K., but are likely to stop short of blocking plans by the Chinese-owned social media app to set up an international headquarters in London.

A review led by the prime minister’s chief of staff Eddie Lister is likely to find the app doesn’t pose as big a security threat as Huawei Technologies Co., but may still recommend the government stops the company from moving users’ data out of the country, said a person with knowledge of the discussions who asked not to be identified because the talks are private.