Howard County police are trying to identify a woman who attacked a customer at a Columbia bar last week, throwing her to the ground, punching her and walking off with her purse.

In a video of the assault, the attacker suddenly punches the victim as she walks into the bar.

It happened on May 29 at 2 a.m. at Second Chance Saloon in the 5800 block of Robert Oliver Place.

Police believe the victim and suspect did not know each other, and say there did not appear to be any communication between the two before the robbery.

The victim, 27, was treated at the scene for minor injuries to her face.

The suspect is described as about 5 foot 5 and 230 pounds with dark brown hair in a ponytail. She was wearing a short-sleeved yellow shirt and a short black skirt or shorts, police said.

Detectives are offering up to $500 for information leading to her identity and arrest.

Police ask anyone with information about the suspect’s identity or whereabouts to call the Stop Crime Tip Line at 410-313-STOP. Callers may remain anonymous.