The Z Plague

With your car trashed, the walk to the station takes about thirty minutes. Along the way you hear distant shouts. Those distant shouts become screams as you near the police station. Not very long ago, a riot broke out. Scores of people struggle to break into the building, seeking protection. Officers clad in riot gear try their best to keep the panicked citizens out. Of course, this does not end very well. Before the officers realize, some people among the rioters are armed with shotguns