A mass shooting overnight at a club in Brooklyn left three people dead and another nine wounded, police officials and the mayor said Sunday morning.

Police are searching for up to four gunmen after a Brooklyn nightclub shooting left 3 dead and 10 injured in what investigators believe was gang-related.

CROWN HEIGHTS, Brooklyn (WABC) -- New York City police believe a deadly mass shooting at a Brooklyn lounge over the weekend stemmed from an argument between two men. It happened at the Taste of the City Lounge on Franklin Avenue in Crown Heights around 3 a.m. Sunday.

A mass shooting overnight at a club in Brooklyn left three people dead and another nine wounded, police officials and the mayor said Sunday morning.

Martin St. Louis died in the Sunday gunfight he started when he fired at Folk Nation gang member Jamel Childs, 35, according to police.

CROWN HEIGHTS, Brooklyn (PIX11) — A night of fun turned into a morning of terror as dozens of shots rang out inside a packed Crown Heights hookah lounge before dawn ...