The NYPD has released surveillance video of a man suspected of punching a 52-year-old woman in the face while she walked her dog in Chelsea last week.

The incident occurred at around 10:05 p.m. on May 25th, while the woman was walking her dog on West 15th Street near 7th Avenue. Police say a man "became aggravated," yelled at her, threw an "unknown object" at her, and then punched her in the face—the below video shows him confronting her on the street:

The suspect fled westbound on West 15th Street. The victim suffered a fractured nose, but was not treated at a hospital. It's unclear what sparked the altercation.

Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the Crime stoppers website or by texting their tips to 274637 (CRIMES) then enter TIP577. All calls are strictly confidential.