The New York City mayor's race candidates honed in on fighting crime and prostitution after the mass shooting took quality of life issues front and center.

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

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.

Around four shooters opened fire at a New York City restaurant early Sunday, resulting in three deaths and eight injuries. According to police, the violence is gang-related.

Wilky Vladimil Toribio Perez was shot in the left shoulder on Pine St. near Etna St. in Cypress Hills around 2:25 a.m. Aug. 10, police said.