Police say the 18-year-old woman and the suspect got into an argument Wednesday at around 8 p.m., while on a northbound "N" train.
The man then grabbed a liquor bottle, hit her on the forehead with it, then got off the train at 4th Avenue and 36th Street.
The victim suffered a cut to her forehead. She was rushed to NYU Langone Hospital-Brooklyn.
She was treated and released.
The attacker is described as a man in his 20's, with a medium complexion, approximately 5'7" tall, weighing 130 lbs., with a slim build and a ponytail.
He was last seen wearing a grey sweat jacket with the 'Thrasher' logo on the front, a white t-shirt, a black knit cap, orange belt, blue jeans, black sneakers, and a necklace with a crucifix.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
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