Police recovered parts of a weapon from the scene of a shooting in a section of Linden on Sunday afternoon.
Authorities requested hospitals in the region to look out for walk-in gunshot victims.
At the same time, officers searched the 900 block of Roselle Street after a suspect fired rounds at unknown targets around 5:30 p.m.
Police found several shell casings at the scene, but no victims were located during their search.
The motive for the shooting is under investigation.