Full on roaming EDL gangs. Pretty insane stuff. This article doesn't do it justice. Most of the footage I've seen has been on Instagram.
The craziest part is they started in response to a misogynist terror attack in Southport. The suspect of the terror attack was Welsh born, with parents from Rwanda, and is most likely Christian. So naturally they started lynching Muslims.
EDIT: This next part is dubious.
Apparently before it all kicked off there was a russian clickfarm that posted a fake article calling the suspect 'Ali Muhammad' or some sort of very stereotypical islamic name, before all the real information had come out.
I mean, not that you can really blame it all on that. It was just a fuse waiting to be lit.
More accurately investigated here: https://www.thebureauinvestigates.com/stories/2024-08-02/did-russian-disinformation-fuel-the-southport-protests/
There were quite some people on reddit back then who did celebrated brexit as left wing triumph. I remember some struggle sessions.
I guess it seems it didn't changed much in the retrospection, fash would be empowered either way and both EU and UK would still jump headfirst into USA made vassalisation crisis regardless if UK was still in EU.