The police are looking for a suspect accused of striking three different Asian women in separate incidents last week—and they are calling it a bias assault pattern.

Here are the details from the NYPD—all the incidents occurred in Manhattan:

1) On Wednesday, June 10, 2015, at 1615 hours, the victim, a 35-year-old Asian female, was sitting in the vicinity of 155 Grand Street, within the confines of the 5 Precinct, when the suspect attempted to strike up a conversation with the her. The victim ignore her and the suspect left. Moments later, the suspect returned with a white plastic bag, containing a hard object. The suspect then struck the victim in the cheek/chin area and then fled the scene. The victim was removed to NY Downtown Hospital where she was treated and released.

2) On Wednesday, June 10, 2015, at 2021 hours, the victim, a 29-year-old Asian female, was walking down Park Avenue, in the vicinity of East 30 Street, within the confines of the Midtown South Precinct, when the suspect walked past her and waited at the corner. When the victim reached the corner the suspect struck her in the face with a white plastic bag containing a hard object. The victim was removed to NYU Hospital where she was treated and released.

3) On Friday, June 12, 2015, at 0025 hours, the victim, a 34-year-old Asian female, was walking in the vicinity of 2 Avenue and East 60 Street, within the confines of the 19 Precinct, when the suspects walked up to her and struck her in the forehead with a white plastic bag containing a hard object. The victim was removed to New York Hospital where she was treated and released.

Police released surveillance video from the first incident:

Anyone with information in regards to any of these incidents is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS. The public can also submit their tips by logging onto the Crime Stoppers Website or texting their tips to 274637(CRIMES) then enter TIP577.