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.

Multiple individuals were transported to local hospitals. However, their conditions were not immediately released.

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.

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.

Investigators believe a shooter or shooters opened fire with multiple weapons at Taste of the City Lounge in the Brooklyn neighbourhood of Crown Heights. Those wounded in the shooting — eight men and three women — are being treated at hospitals for non-life-threatening injuries,