Old guard hooligans call them ‘kinders’ or ‘the nursery’. But who are those ultras that are holding our football hostage? How organized are they? And how do you stop it? | Misconduct football fans

Belgian football is in crisis. After Standard and Ghent, fireworks flew onto the turf in Charleroi last weekend. In Anderlecht torches burned in the stands. Each time to the dissatisfaction of the majority of the stadium, because the troublemakers are only a few dozen, at most hundreds. They call themselves Ultras. “Children who think they are the boss and don’t let anyone teach them to,” it sounds within hard cores. What makes them so popular? And how do you keep them in line?