NEWPORT – A juvenile was charged Wednesday in connection with an incident that prompted a lockdown the day before at Nokomis Regional High School.

The 17-year-old male, whose name was not released because of his age, was charged with reckless conduct and criminal mischief.

He was not arrested, but summoned to appear in Newport District Court, said Newport police Sgt. Sanger Davis.

A pellet about the size of a walnut was thrown or hurled into a rear hallway door at the school shortly before 8 a.m. Tuesday.

Administrators at the 800-student school took emergency action moments after the incident, which was initially thought to have been a drive-by shooting.

They diverted buses to a nearby middle school and Nokomis was put under lock-down.

Students were allowed to return to their classrooms about 9:30 a.m., and classes began shortly after 10 a.m. Tuesday.