The problem of violence reared its ugly head in sumo again recently, but this time it came with a twist.

Instead of a hazing and bullying or a drunken brawl in a bar, the violence on this occasion occurred inside a ring — specifically the practice at the Miyagino stable.

Anyone who has ever attended a sumo training knows they aren't for the faint of heart and that controlled aggression is an ever present in stables.