The incident began when police responded to a report of an erratic driver on the northbound Parkway in Cranford around 10:40 a.m., said Trooper Alejandro Goez.
The driver did not respond when troopers in marked cars activated their lights and sirens, Goez said. Troopers managed to use their vehicles to bring the driver to a halt in East Orange. Goez did not know precisely how the troopers managed to use their cars to bring the vehicle to stop.
It was then that troopers discovered the driver was experiencing a medical problem, Goez said.
The driver was taken to an area hospital. His condition was not immediately known.
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