COTTAGE GROVE, Minn. — All students and staff are safe after a man armed with a knife was arrested at Cottage Grove Elementary School on Tuesday.
In a letter sent to families, principal Candy Gram said the unknown person entered a locked vestibule just before noon, waving a butcher knife. The person never made it beyond the vestibule, and the school was placed into lockdown as police responded.
Gram said officers took the person into custody without incident; however, she acknowledged some students may have witnessed the situation…