Yes, and they appear to be a non-organisation (to avoid police scrutiny, possibly) that may be no better than the people they purport to hate. Are hard left-wing violent thugs any different than right-wing thugs?
https://en.m.wikipedia.org/wiki/Antifaschistische_Aktion
Imagine if this lot decided to turn up to a game,to have their say about these allegations!

https://www.google.co.uk/search?q=a...Y4t3SAhUJB8AKHV-TDHUQsAQIiAE&biw=1066&bih=678