Two prison guards stabbed and three others wounded in Massachusetts jail

Surveillance video shows a violent attack at a Massachusetts prison, where two guards were stabbed and three others injured. The incident begins when a guard is attacked by an inmate near the cells, quickly joined by a second prisoner. Other guards intervened as the situation escalated, involving up to three inmates. After around 60 seconds, ten more officers enter the room to bring the situation under control. The video was released by the officers' union, calling for a complete overhaul of security in the state's prisons.