More than 100 cars and motorbikes took part in the "community cruise" in Ellenbrook, north-east of Perth, to show support for a 13-year-old boy who was allegedly bashed and threatened with a knife in the area by a group of teenagers. . newsiviewlistenLoading ABC NewsNews HomeEllenbrook rallies behind teen assault victim with car and motorbike 'community cruise'ShareShare articleEllenbrook rallies behind teen assault victim with car and motorbike 'community cruise'Stella McGann and Samantha.