The youth fled with $140 and rejoined the others in the car, the police said.
They said a third youth fled on the stolen bicycle and was being sought.
The youths then shot him again, in the back, took his handgun and fled, without stealing any money, the police said.
The youths, whose ages range from 16 to 18, fled with the woman's watch, the police said.
"But that was seventy years ago and youth has fled."
The flames quickly caught the couple's clothing, and the youths fled.
The youth in the front passenger seat fled and was being sought, police said.
The youths, apparently frightened, fled without taking anything from the store, witnesses told the police.
But the youths fled before officers from the 25th precinct station house arrived.
The youths fled back into the shadows of 124th Street.