A man is in custody after police say they stopped him with a gun outside a graduation in Boston Thursday, police confirm.
The incident happened at a graduation for Madison Park High School, which was held at Northeastern University's Matthews Arena.
Northeastern University, which initially put out an alert to avoid the area, said around 8:15 p.m. that activity was returning to normal after the arena was deemed safe.
In-depth news coverage of the Greater Boston Area.
Police say the man, who was on a bike, was not a student of the school or an attendee of the graduation.