The shooting happened just after 2:00 a.m. at Stewart Avenue and Cherry Street in the Greenpoint section.
What led to the violence is still under investigation but police found at least 8 shell casings at the scene.
One person was taken to the hospital in critical but stable condition.
Five others also went to the hospital with non-life threatening injuries.
The victims range in age from 18 to 33 years old.
* Get Eyewitness News Delivered
* Follow us on YouTube
* More local news
* Send us a news tip
* Download the abc7NY app for breaking news alerts