An unprovoked knife attack in NYC two blocks north of Bloomingdales

Terrifying moment knife-wielding man leaps off his bike and stabs a stranger in terrifying broad daylight attack on the Upper East Side as crime spirals out of control in NYC

• The NYPD said the stabbing happened near the subway station on Lexington Avenue and 63rd
• The suspect first got off his e-bike and crossed the street before approaching the victim from behind
• The pedestrian was slashed several times, suffering injuries to his back and arm
• He is in stable condition after being taken to Cornell Medical Center by medics
• The suspect, believed to be a black male around 30-years-old, fled the scene on foot in an unknown direction