The bus was returning to Brooklyn from Manhattan when officers pulled it over on Front Street at around 12:30 a.m. Friday.
Police say a total of 41 people were on the bus, and some of them were posing with handguns in pictures posted on social media, prompting the stop.
Eight handguns were recovered on the bus.
There is a connection between some of the suspects to the Unity Houses, a city-run apartment complex in East New York, Brooklyn.
Eleven adults are charged with seven counts of criminal possession of a weapon each, they are: 18-year-old Wondell Sharp, 18-year-old Jalah Cummings, 19-year-old K-shawn Bowers, 19-year-old, Andre Thompson, 18-year-old Nicquan Collado, 21-year-old Jonte Ferguson, 19-year-old Seyquan Abrams, Kamari Duffus, 20-year-old Seven Andrews, 19-year-old Joe-l Lopez, and 18-year-old Robert Natt.
The three juveniles are also facing seven counts of criminal possession of a weapon each.
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