Police believe the violent disorder, which led to the death of a 56-year-old man, involved members of two rival motorbike clubs. ‌Police responded to reports of violent disorder involving a group of men in Mill Street, at around 7.15pm on Thursday, August 6. The other seven men remain in police custody. View 3 Images Anthony "Tony" Jones, 56, from Brecon, died following the disorder (Image: Gwent Police)On Tuesday afternoon, the investigating police force issued an update saying they believed the violent disorder involved members of two rival Outlaw Motorcycle Clubs - the Vikings and the Hells Angels. "At this stage of our enquiries, we believe the violent disorder involved members of two rival Outlaw Motorcycle Clubs, the Vikings and the Hells Angels.