A man is wanted for slashing another man in the back at a subway station in Manhattan, authorities said.
A 29-year-old man was leaving the Union Square subway station Saturday morning when a stranger approached him from behind and slashed him on his back, police said. The victim chased the attacker into the subway station, where he jumped on a northbound 6 train, police said.
The victim was taken to Beth Israel Hospital and is in stable condition, police said.

Police released this photo of the suspect in a slashing at the Union Square subway station.
Anyone with information is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS.