A 6-year-old boy shot and wounded a teacher on Friday at Richneck Elementary School in Newport News, Virginia, police said.

The teacher’s injuries were considered life-threatening, the Newport News Police Department said in a statement.

There was no further explanation for how a 6-year-old acquired a firearm nor the degree to which the boy knew how to control the weapon. The student was in custody, police said.

No students were injured.