A 14-year-old boy is accused of bringing a loaded gun to a South Boston school, according to police who arrested the juvenile.

Boston Police officers on Tuesday afternoon responded to a report of a found weapon at UP Academy Charter School of Boston at 215 Dorchester St.

School staff had been alerted that a student might have a gun. Staff then took the accused student out of class, and found a firearm in his backpack.

UP Academy Charter School staff then contacted Boston Police to take custody of the gun, which was fully loaded.

The 14-year-old boy was placed under arrest and charged with: delinquent to wit unlawful possession of a firearm; delinquent to wit unlawful possession of ammunition; and delinquent to wit unlawful possession of a firearm on school grounds.

The boy is expected to be arraigned in Boston Juvenile Court.