Two of the three people killed in a mass shooting at Brooklyn lounge over the weekend were gunmen, New York City police said Monday.

Police are searching for multiple shooters who killed three people and wounded nine others in a shooting authorities say stemmed from a gang-related dispute at a crowded Brooklyn lounge overnight.

Investigators believe up to four shooters opened fire at Taste of the City Lounge in Brooklyn after a dispute just before 3:30 a.m.