The U.S. will impose visa restrictions on employees working for Chinese technology firms like Huawei.
U.S. Secretary of State Mike Pompeo said Wednesday that the companies provide material support to regimes engaged in human right violations.
It's unclear which firms and how many people will be affected.
He added TikTok and other Chinese communication platforms may be banned as well due to security concerns.
Also brushing on another contentious issue, Washington's top diplomat said it will use all tools to support countries that believe China has violated their maritime claims in the South China Sea.