Police say that a man suspected of not paying the subway fare did not follow instructions and threatened officers with a knife.

Crowds of protesters mobbed a subway station in Manhattan Wednesday night in response to a police-involved shooting at a Brooklyn subway station on Sunday. Demonstrators jumped the turnstiles at the West 4th Street station and chanted obscenities at responding NYPD officers,

The enforcement of subway fare evasion turned bloody on Sunday in a neighborhood where many people can’t afford basic needs, much less the cost to ride the train every day.