JERSEY CITY, N.J. (CBSNewYork) — A Jersey City taxi driver is clinging to life after police said he was shot in the head early Monday.

The cab slammed into a parked car after police said a passenger shot the 42-year-old driver around 1 a.m. on Gates Avenue, 1010 WINS’ Steve Sandberg reported.

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The driver picked up his last fare at 12:45 a.m. in Journal Square and apparently drove the suspect to the Greenville section of the city, officials said.

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It is unclear what prompted the shooting but investigators are looking into whether the drive was robbed, Sandberg reported.

The gunman was seen fleeing the scene.

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The driver, who has not been identified, is listed in critical condition at an area hospital.