Thursday night, Trump escalated his campaign to claw apart the Chinese and American tech worlds with executive orders that threaten to ban both TikTok and massive global messaging app WeChat.

On Friday, the Treasury Department sanctioned Carrie Lam, Hong Kong’s Beijing-backed leader for “implementing Beijing’s policies of suppression of freedom and democratic processes.”

That move follows sanctions on the Xinjiang Production and Construction Corps, a powerful paramilitary organization, for its role in the mass detention of ethnic minorities.

The U.S. has closed China’s consulate in Houston, stepped up its efforts to keep Chinese telecom giant Huawei out of allies’ 5G networks, and even warned blue chip American companies that they could face legal penalties for doing Beijing’s bidding.