ABC Online | Teenager killed after quad bike hits tree at Marrinup, south of Perth ABC Online A 16-year-old boy has died and two other people are in a critical condition in hospital after a quad bike crash near Dwellingup, about 100 kilometres south of Perth. Police said a Halls Head man was riding the bike on an unsealed section of Scarp Road ... Teen killed in quad bike crash Teen dead, two others injured in WA crash 16-year-old boy dies in Boxing Day quad-bike crash near Dwellingup |