Police are investigating a violent robbery along the L line where a woman was beaten after she tried to get her wallet back from three young women..

The incident took place around 6:45 p.m. on October 14th. According to the NYPD, a 19-year-old woman was at the Union Square Subway station when she "was approached by three unidentified females who removed the victim's wallet from her purse and boarded the L train."

Investigators say the woman confronted the teenage suspects and demanded they give her back the wallet. As the train pulled into the last stop at 8th Avenue, the teens pummeled the woman "about the face and body," according to police, and then ran off.

The victim was treated for injuries at Healthplex Medial Center.

Police are searching for three females, described as being 17 to 19 years old, and released images of them today.

Images of the suspects (NYPD)

Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS or for Spanish 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the Crime Stoppers Website at WWW.NYPDCRIMESTOPPERS.COM or texting their tips to 274637(CRIMES) then enter TIP577.