NEWARK, N.J. (AP) — State Police say an attempted traffic stop on the New Jersey Turnpike turned into a lengthy pursuit that ended with 15 motorcyclists facing various charges.

Sgt. Brian Polite tells The Star-Ledger that the incident started around 1:30 a.m. Sunday, when a trooper was attempting to turn into the barracks off the turnpike in Newark. The trooper was blocked by a line of motorcyclists, and noticed one rider didn’t have a visible license plate.

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The trooper attempted to pull over the motorcyclist, but the rider refused to stop. About 15 motorcyclists then started encircling the bike, blocking the trooper’s access.

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A southbound chase ensued before all the motorcyclists finally stopped in Cranbury in Middlesex County.

The charges against the motorcyclists range from eluding and hindering arrest to weapons possession.

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