@dump_stack

There's a single report of this event in Polish from yesterday evening and they organizer provided a reasonable explanation

They are blaming inconsistent WADA guidance when they started and then the same WADA threatening to remove their club from the federation if they don't remove the flag immediately.

https://sport.onet.pl/ofsajd/ms-w-warcabach-rosyjska-flaga-zniknela-ze-stolu-podczas-gry-co-sie-stalo/gxm85yh