The location at 74 Utica Ave is listed as permanently closed on Google but cops said it was being used for unlicensed gambling, indicated by cards and other items discovered. The ages of the deceased range from 32 years old to 49 years old.
At least three people suffered serious injuries. Investigators say at least 15 shots were fired.
The shooting took place outside of an after-hours club called Triple A Aces, which serves as a "private and social rental space", the New York Post reported.
NYPD investigates the scene of a shooting in the Brooklyn borough of NY on Saturday, Oct. 12, 2019.
Authorities said the motive for the shooting was not immediately clear.
As of now, two people have been brought in for questioning as part of the early stages of the investigation.
Police said that there have been no complaints in the last few years at this site in the Crown Heights neighborhood.
Police said they estimate around 15 people were inside and that 15 gunshots were fired at the venue that described as being "chaos".
No arrests have been made so far in connection with the shooting, according to the New York Police Department (NYPD) spokesperson.
This is a developing story.