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.

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.

The three people killed were all men who lived in New York City, and NYPD officials said two of them fired shots during the incident.