A 14-year-old boy appears in court charged over an alleged attack on a 13-year-old boy which was filmed and shared on social media. newsiviewlistenLoading ABC NewsNews HomeTeen refused bail after 13-year-old boy attacked, threatened with knife in EllenbrookShareShare articleTeen refused bail after 13-year-old boy attacked, threatened with knife in EllenbrookBy Keane Bourke and Pip WallerTopic:Juvenile Crime. Footage of the alleged attack shared online shows someone brandishing a large knife at a boy.