VERONA, New Jersey (WABC) -- The Verona Police Department says someone is leaving tacks and tire spikes along a dirt trail.
The trail runs along the wooded area behind Brookdale Avenue School, parallel to Sunset Avenue.
The police department believes they were left there deliberately.
The tacks and spikes were first reported to police on the evening of September 2.
Police say they have received reports of damage to bicycles.
Hundreds of spikes have since been removed by the Verona Police Department and Verona Department of Public Works.
The principal of Brookdale Avenue School, Nicole Stuto, sent a letter to parents that same day alerting them to the issue.
"In the woods behind Brookdale, the Verona PD has been alerted and is actively investigating tire spikes that were found along