Someone found the black metal pipe with copper pellets inside behind a retaining wall at the Kinderkamack Road bus stop outside the Continental Gardens complex off the corner of Howland Avenue, Bergen County Sheriff Anthony Cureton confirmed.
"The incendiary device was placed in a containment vessel by members of the Bomb Squad," Cureton said.
Responders also taped off one of the buildings in the complex. An elderly man taken to Hackensack University Medical Center by ambulance, but it was unclear what relationship, if any, he had to the incident.
Howland Avenue and Colonial Court were temporarily closed.
New Jersey Transit police also responded, along with River Edge police and the borough Office of Emergency Management.
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