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.

A 19-year-old gunman with no criminal history sparked a gang-related mass shooting at a Brooklyn lounge when he opened fire at a rival before being slain himself in the ensuing gun battle, police said Monday.

A fatal Crown Heights shooting prompted New York City mayoral candidates to clash over crime policies as city grapples with recent surge in gun violence incidents.

Three men, including a 19-year-old, were killed and nine other people were injured early Sunday when a dispute inside a crowded New York City nightclub erupted into a shooting incident that police said appeared to have involved multiple gunmen firing dozens of shots.

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.

Fox News correspondent CB Cotton reports on a Brooklyn nightclub shooting that left three dead, as mayoral candidates face growing pressure to crack down on city violence.

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.