Police are looking for a teenager in connection to a robbery at the 174th Street Station on Wednesday.
News 12 was told the suspect got on the 2 train and punched a 14-year-old victim before yanking a $650 chain from his neck.
Police say the suspect got off the train as it pulled into the Freeman Street Station.
The suspect is described as around 16 years old with short, braided hair.
Anyone with information is asked to call the police.