BBC:

But access to Google is blocked in China, and if you look on Baidu, the filtered search engine mostly used on the mainland, you get “Hong Kong flights back to normal” followed by “what has happened in Hong Kong recently”. The results led on what China’s ambassador to the UK said on the issue recently and the losses protesters have caused by paralysing the airport.

Screengrab of Baidu search window
When the demonstrations first erupted on 9 June, China’s heavily controlled state media kept silent, except for reports on pro-government rallies and the foreign ministry’s condemnation of “foreign interference”. One headline in the nationalist Global Times read: “HK parents march against US meddling.”.

In early July, media published their first stories about the demonstrations after protesters broke in to the Legislative Council, Hong Kong’s parliament. Xinhua, the state-run news agency, criticised “lawless acts that caused mass destruction, which was shocking, distressing and infuriating”, citing the Hong Kong Liaison Office of the central government.

A second round of coverage on the protest rolled out when the Liaison Office was besieged in late July.

I’ve heard taxpayer supported K-12 administrators discuss the importance of “controlling the narrative”.