Sky News Australia | Youth prison guards in WA angry after riot Sky News Australia The latest violent incident at Perth's juvenile detention centre - the 10th in less than two-and-a-half months - has prompted the prison officers' union to blame it on the introduction of a rehabilitation program imported from the US. Seven detainees ... Flash bombs, chemical spray used to subdue detainees at Banksia Hill juvenile detention centre Banksia Hill youth detainees throw bricks |