Police are looking for a man who attacked a woman with a bottle early Saturday morning in the 1300 block of West Winnemac Avenue.

The 24-year-old victim was walking to her car from the Argyle El station around 2:30 a.m. when an unidentified man came up from behind her and started hitting her in the head with a glass bottle, police said.

The attacker ran off as the woman began struggling and screaming, police said.

The victim was taken to Swedish Covenant Hospital, where she was treated for a laceration to her forehead and a broken finger.

Police have no suspects.