7 News $75,000 worth of damage caused by 3 teenagers on the roof at a youth prison 5 hours ago The News Room Three teenagers have been charged, accused of a costly riot at Banksia Hill. Two 17-year old boys and a 15-year old boy have been charged. #BanksiaHill #RoofRiot Post navigation Previous Australians pause to honour those who served and diedNext Perth Remembrance Day service at Kings Park honouring all our service men and women | 7NEWS