State is duty-bound for staying sovereign and this is not done till the violence is monopolized by state.
People get killed, hurt or threatened by private actors of violence all around despite the fact that private actors cannot be left free anywhere for doing that. These private actors have actually started in this business as state sponsored terrorism.
Although sovereign states are duty-bound to keep the order intact for maintaining public security as per the laws of land but what is happening is that violence is disrupting the state.
State is duty-bound for staying sovereign and this is not done till the violence is monopolized by state. That means there cannot be any private actors left free.