Essex and Hudson County authorities searched the scene for a vehicle occupied by suspects wanted for a shooting on the border of Newark and Harrison on Thursday evening.
According to a preliminary investigation, witnesses called police when they reportedly observed occupants inside a vehicle fire shots at another car near the bridge that separates the two counties.
Police from Newark, Kearny and Harrison canvased the area for the vehicle that witnesses said crossed over the bridge and was last seen traveling through Kearny.
Harrison Police reportedly located shell casings, but no victims were found.
The motive for the shooting is under investigation.