A teenager was arrested in the Hyde Park neighborhood of Boston with a firearm on Friday afternoon.
Police say they were investigating a missing persons case in the area of 6 Alwin Street and learned that the person also had an outstanding arrest warrant.
The teenager was seen entering a car and officers started a traffic stop, according to authorities.
Authorities say they recovered a Kel-Tec Sub-2000 rifle with 15 rounds in the magazine from the vehicle.
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The 14-year-old is facing multiple firearm charges.
The teenager is expected to be arraigned in Boston Juvenile Court.
