(CNN)Three Maryland middle schoolers have been charged as juveniles with a hate crime after threatening Middletown Middle School's Black students, ​a spokesperson for the Frederick County Sheriff's Office (FCSO) ​told CNN Thursday.

FCSO ​deputies and school resource officers responded to the school Wednesday after social media threats posted on Instagram and Snapchat ​targeting Black students ​at the school were posted, according to ​FCSO spokesperson Todd Wivell in an interview with CNN.

According to Wivell, ​all three of the students who were charged are White, and in addition to the ​hate crime charge, one of the three was also charged as a juvenile with ​possession of a firearm by a minor.