An Australian teenager allegedly fuelled by racist and nationalist views has faced court accused of planning a terrorist attack. The 17-year-old Canberran has been behind bars since November after police allegedly found violent, extremist material during a search. Officers later uncovered further evidence and on Tuesday the teenager appeared in ACT Children's Court charged with planning a terrorist attack and sending violent extremist material. Young Australians' exposure to this kind of propaganda was alarming, Australian Federal Police counter-terrorism assistant commissioner Peter Crozier said. "Violent extremist material is circulated by terrorist organisations to promote violence, hate and division within Australian society," he said. "It is our job to defend and protect the Australian community, and we will relentlessly pursue those who seek harm to our democracy or our social cohesion." The teenager is the first person to be charged with planning a terrorist act in the ACT.…