The Passaic County Prosecutor's Office, which is investigating both the crash and the pursuit, was expected to release details sometime Monday but hadn't as of 7 p.m. Tuesday.
A marked unit was chasing the fleeing driver when he crashed at Broad Street and Van Houten Avenue around 2 a.m., responders said.
Police conducted CPR, to no avail.
There was no immediate word on the conditions of any occupants of the vehicle the motorcycle collided with. Firefighters responded for an extrication, responders said.
The scene was finally cleared around 9 a.m., unclogging several area streets.
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ALSO SEE: An SUV that struck and killed a 25-year-old motorcyclist in Clifton Friday night was driven by a 16-year-old boy, said authorities who took the teen into custody.
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