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.

Three people were killed and another 10 were injured in an overnight shooting involving multiple gunmen at a Brooklyn nightclub, police said Sunday. The dead were identified by the New York Police Department on Sunday night as Marvin St. Louis, 19, of Brooklyn; Amadou Diallo, 27, of Upper Manhattan; and Jamel Childs, 35, of Brooklyn.

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.