Colin Gray, the father of the suspect in a deadly school shooting that left four people dead in Georgia this week, was arrested in connection with the attack, state officials announced Thursday.

Gray, 54, faces a slate of charges including four counts of involuntary manslaughter, two counts of second degree murder and eight counts of cruelty to children.

Two students and two teachers were killed at Apalachee High School in Winder, Georgia, on Wednesday after a gunman opened fire. Nine others were injured.

Colt Gray, a 14-year-old student, has been arrested and charged with murder.

This is a developing story. Please check back for updates.