Dramatic footage of a prison break in Brazil in which inmates hold guards and fellow prisoners hostage.<br/> <br />The inmates wearing white masks were seen parading 12 officers to the building's rooftop. They were then blindfolded, and beaten.<br/> <br />One guard was strung up by his feet, and hung upside down over the side of the building.<br/> <br />The inmates are demanding better sleeping conditions, and food and the use of mobile phones.<br/> <br />The prison is at full capacity with 240 inmates. Officials say at least 150 prisoners are also being held hostage.
