A member of a French NGO stands in front of a fake tank on the Place de la Republique square in Paris to mark the 30th anniversary of Tiananmen Square crackdown in China. Photo: Stringer/AFP/Getty Images

The Washington Post and The Guardian websites appear to have been added to China's "Great Firewall" blacklist, blocking internet users from visiting two of the last English-language media outlets accessible from the mainland without a VPN, the Post reports.

The big picture: The Chinese government, which blocks more than 10,000 web domains, escalated its censorship efforts in the weeks leading up to the 30th anniversary of the Tiananmen Square massacre, preventing WeChat users from using keywords or posting pictures related to the incident, the Post reports. It's not yet clear whether bans on the Post and other outlets that wrote stories about the anniversary will be permanent.

Go deeper: Where press freedom is eroding around the world

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Appeals court allows House Democrats to continue lawsuit for Don McGahn testimony

Don McGahn in an October 2018 Cabinet meeting. Photo: Chip Somodevilla/Getty Images

A D.C. appeals court on Friday allowed House Democrats to continue their case for testimony from former White House counsel Don McGahn before the House Judiciary Committee.

Why it matters: The ruling has broader implications beyond this specific instance, agreeing that Congress has the standing to sue to enforce subpoenas against executive branch officials even if the White House refuses to comply.

There's little consensus on TikTok's specific national security threat

Illustration: Aïda Amer/Axios

TikTok has become a Rorschach test for how U.S. politicians view China, with little consensus on the specifics of its threat to homeland security.

The big picture: Much of what D.C. fears about TikTok is fear itself, and that's reflected in President Trump's executive order to ban the app by Sept. 20 if it's not sold by parent company ByteDance — alongside another focused on Chinese messaging app WeChat and its parent company Tencent.

U.S. sanctions Hong Kong leader Carrie Lam

Photo: Anthony Kwan/Getty Images)

The Treasury Department on Friday placed sanctions on Hong Kong leader Carrie Lam, following months of tension as she has allowed continued overreach by Beijing to subvert Hong Kong's autonomy.

Why it matters: It's the toughest sanction yet imposed on China for its destruction of Hong Kong’s relatively free political system.