said.

4 The NYPD shot and killed a knife-wielding woman who stabbed two people, one fatally, in Times Square. @bboypop97/Instagram

The knife-wielding woman then continued up to 42nd Street and fatally stabbed a 32-year-old woman in the abdomen in an  unprovoked attack,  the commissioner told reporters.

A motive is not yet known; however, the frightening incident is not believed to be terrorism-related.

 Our officers were confronted with a rapidly evolving threat with countless innocent people around them. In that moment, they did what we trained them to do,  Tisch said.