An 18-year-old woman was hit in the face with a bottle during a dispute on the subway in Brooklyn on Wednesday night, police said.
The victim was struck during a verbal argument with a man on an N train at the 36th Street station in Sunset Park at about 9:10 p.m., according to cops.
It was not immediately clear what the two were feuding over.
The woman suffered a laceration to her face. She was taken to Lutheran Hospital for treatment, authorities said.
The suspect, last seen wearing a white shirt and tan pants, fled the station.
He was at large as of early Thursday.