1 of 7
Nine people were killed and several wounded when an armed schoolboy went on the rampage. Most of the killings took place at the Red Lake high school in Minnesota.

2 of 7
Families and friends of the victims waited anxiously for news at the local hospital.

3 of 7
The FBI has been leading the investigation into the killings, which took place on a Native American reservation.

4 of 7
Eyewitnesses say the Red Lake reservation has been locked down by police.

5 of 7
Pupils and staff were devastated by the attack.

6 of 7
It has also shocked the wider community of the Chippewa tribe.

7 of 7
Students such as Reggie Graves have been telling the media of their ordeal.