Sydney Morning Herald | Schoolyard fight may have sparked brutal Facebook-linked attack in Sydney's west 9news.com.au A schoolyard punch-up over a girl may have been behind the Facebook threats which resulted in bloodshed on the streets of Rouse Hill in Sydney. The trouble had been brewing for weeks. Trevor Allen, 41, and his 20-year-old son Trent had answered a call ... Facebook fight: Rouse Hill brawl organised on social media leaves father, son ... Fight Organized on Facebook Includes 20 People, Ends in Stabbings Brothers denied bail after Sydney brawl |