Two passengers fled on foot as the others ran to a nearby home and called the police.
The passengers and driver fled the bus after the man was shot.
All three passengers then fled, according to the police account.
Authorities said other passengers in the train fled the car during the incident, and one of them reported it to a conductor.
Witnesses said there were four people in the car, and that two passengers in the back seat fled.
The driver of the truck stopped at 217th Street, the police said, and he and a passenger fled on foot.
Two other passengers from the second car fled.
But the second passenger, who has not been identified, had fled.
They also lit a public bus on fire outside a university campus after its passengers fled.
Two passengers in the car fled into a nearby building and have not been found, they said.