Anyone know why they were protesting? The article sure doesn't care to say.
Which, by avoiding such a key piece of information, makes this come off as more of a warning to the general population than news. If you're going to protest something, we are going to beat you, deny you food and water, put you in solitary confinement, inhumane living conditions, and generally behave so despicably that we must ensure we keep the cameras away so they can't report on our behavior.