PLYMOUTH, MN: "Students at a middle school in Plymouth are safe after officers responded to a report of gunshots Monday morning. One person is in custody, but Plymouth Middle School remained locked down, according to a statement from police. Officers rushed to the school after the they were called about 8:45 a.m. Plymouth is the Spanish Immersion school for sixth- through eight-grade students."
https://www.startribune.com/students-unharmed-at-plymouth-school-after-report-of-gunfire/600050329/
*There was a press conference and it was asked if it's true that this happened because someone in the hallway said "black lives don't matter". Police and school administration would not confirm that.