He wasn't acting in self defence if that was the case.
Probably feared he'd be targeted next, they've been attacked, what do you expect them to do, it's self defence if there is a clear threat.. Would you rather he put brewtsters eye out with his ring?
That was possible!
If you wanna talk legal jargon mate, im not your man, I've always fought back, and I've gone in first when i knew how it was gonna pan out..