"The grim images show officers grabbing the neck of a boy named Dylan Voller and throwing him to the ground. He is then subsequently stripped naked. Another video shows Voller being tear gassed by correctional officers, who just seconds before can be heard saying they wanted to `pulverize` him."
"Voller suffered some of this abuse when he was just 13. He was on the receiving end of violence for over four years."
" `Like all Australians, I've been deeply shocked - shocked and appalled by the images of [the] mistreatment of children,` Turnbull said, as quoted by Reuters."