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.

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.

Three people are dead, and nine others injured after police say several gunmen opened fire inside a nightclub in Brooklyn early Sunday morning.