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A 27-year-old Uber driver was fatally stabbed in the Bronx on Saturday night in a vivid reminder of the perils of the job, the police and driver groups said.

The driver, Ganiou Gandonou, was found shortly after 9 p.m. seated inside a black Toyota Camry with stab wounds to his neck and torso, the police said. The police are looking for the attacker and investigating whether Mr. Gandonou’s death began as a robbery.

On Sunday evening, the police released video of a “person of interest” wanted in the killing. The man fled the scene on foot and was last seen walking northbound on Co-op City Boulevard wearing dark clothing, the police said.

The police did not say if the “person of interest” was a passenger. The driver was working at the time, but the police did not say whether he was completing a trip when he was stabbed.