Cori Kennedy, contestant on The Voice, got emotional after seeing her hometown schools in Kasson-Mantorville, MN celebrate her with 'Cori Kennedy Day'.
Byron High School issued the first lockdown around 9:20 Thursday morning. Within the next hour, Kasson-Mantorville, Triton and Hayfield schools also initiated lockdowns.
So far limited information is available, however officials from the school districts indicate the decisions to lockdown were made out of an abundance of caution.