The NYPD says a man is wanted after attacking a 40-year-old woman while on a train in Brooklyn in January.

Authorities say woman was riding on the southbound N train toward the 86th Street subway station when a man tapped her on the shoulder. The woman told him to stop and he then punched her in the face several times.

The suspect fled and the woman was treated for cuts to the face and a swollen jaw.

Anyone with information on the suspect is asked to contact the NYPD.