Police say the incident started with a simple accident on the service road to the Whitestone Expressway. But instead of stopping, authorities say one driver made a sharp right turn, sped up 20th Avenue, clipped a tree, plowed through a fence and flipped.
One man, a pedestrian, was hurt after police say he was struck by debris. He was not seriously hurt.
Police say the driver, a 37-year-old woman, is in serious condition. Her injuries are not considered life threatening.
Authorities say a small vial of white powder was found in the car.