A group of 13 people assaulted a woman this past Halloween weekend in Brooklyn, putting a box on her head and throwing a pumpkin at her, according to the city police department.

It happened Oct. 28 around 8:15 p.m. at the corner of State and Henry Streets in Brooklyn Heights.

Police said 13 men and women approached the 21-year-old woman and threw an unknown liquid in her face before putting the box on her.

The group hit the women in her back when it threw the large pumpkin at her, investigators said.

The victim was not taken to the hospital.

Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577- 8477, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com