https://twitter.com/vivianwubeijing/status/15966826381311713...
(Note that this journo appears to be threatened downthread, in Chinese on Twitter)
At least one journo, maybe it was this one, says they've seen nothing like it in their 10 years there.
Edit: 51 universities have also seen protests. Seemingly includes students holding signs of a formula...?
https://twitter.com/vivianwubeijing/status/15967562737305026...
Context: Total lockdown circumstances leading to e.g. deaths in lockdown fires. China simultaneously reporting record highs in COVID cases; Chinese vaccine apparently seen/known to be less effective than others.