RUSH CITY — A fifth-grader has been charged with disorderly conduct following his arrest in connection with a threat at an elementary school in Chisago County.

Sheriff’s officials say the male student wrote a message on a wall about his intention to harm other students at Jacobson Elementary School in Rush City.

KSTP-TV reports Sheriff Rick Duncan says it appears the threat stemmed from an altercation between the boy and several other students.