Austin Branda, an aspiring Broadway drummer, was caught on camera rescuing a stranded woman.
The misdirected emergency calls have led to dangerous delays, officials said.
A man is wanted for stealing seven cellphones and an iPad from AT&T and T-Mobile stores across the city.
The thief took the woman's credit card, cellphone and cash, police said.
The group assaulted and robbed other teens and a bodega clerk between Jan. 22 and Feb. 7, police said.
The man stole a can of Cobra beer from Alvin Grocery in Soundview, NYPD officials said.
The thieves stole the 64-year-old man's cellphone and $600 in the Concourse robbery, police said.
Police say the suspect tried to grab the girl's phone near Ditmars Boulevard and 28th Street.
The teens swiped a $300 iPhone from a woman in Cobble Hill, according to police.
The victim was knocked to the ground during a nighttime mugging on East 83rd Street, police said.
The robber then stuck his hands in the victims pocket and demanded money, police said.
An Inwood man was robbed Thursday in the vestibule of his Broadway apartment building.
Three men stole money, sneakers and tech gear during the push-in robbery, police said.
The woman was run over by a city bus while trying to grab her phone from the street, witnesses said.
Juan Carlos Luna-Juarez was killed and his brother was injured by a group of five men, police said.
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