If this tip of the iceberg is already so damming I can’t even 8magine how horrible this ring must have been.

Assuming UK cops aren’t as utterly as untrustworthy as north american cops, (which you probably are purely because you don’t always bring around a gun), what are you meant to do with a knife attack? Wack people with a stick? Run away and called for armed backup? I assume the latter, but what about in the immediate?