Two of the three people killed in a New York City nightclub shooting early Sunday have been identified as suspected gunmen who opened fire inside the establishment, injuring up to 11 other people, police officials said on Monday.

Two of the three people killed in a bar shooting in the New York City borough of Brooklyn were among the four shooters who opened fire inside the building, the city's police commissioner said Monday.

Police are searching for multiple suspected shooters who they said opened fire at the club in Brooklyn's Crown Heights neighborhood.