Officers responded to 306 Franklin Ave. around 7:40 p.m. and found the man with a gunshot wound to the chest.
The victim was taken to NYC Health + Hospitals/Kings County, where he was pronounced dead.
Police have yet to release a description of the suspect.
No arrests have been made.
The investigation is ongoing.
----------
* More Brooklyn news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube