Massac Co. – Maple Grove Elementary School in Massac Co. was placed on lockdown today after a custodian was grazed by a bullet outside of the school. According to a release from the Massac County Sheriff’s Office, all students and faculty were accounted for but the school was placed on lockdown as a precaution. The custodian was treated at the school and was not hospitalized. Parents and guardians were able to start picking children up at 2:45 this afternoon when the “all-clear” was given. Authorities do not know where the bullet came from at this time and the incident remains under investigation.