in a tit-for-tat fashion. However, the riots were certainly not instigated by the PRC, because the proximate cause is too random. No Chinese could possibly order a US cop to crush the neck of an already-handcuffed suspect in the FULL VIEW of crowds of people and multiple cameras.
BTW Trump had to hide in a bunker under the White House, this was admitted by US media: https://news.yahoo.com/trump-took-shelter-white-house-020928976.html