Police say Brayden Dillon was shot in the head after a man kicked his way into the Moresby Avenue house in Glenfield armed with a gun and threatened a woman believed to be the Brayden's mother about 6.10am.
People have been paying Tributes on social media.
RED HEARTERS Wrote : It is with heavy hearts and extreme anger that we ask you to share a ❤️ for Brayden Dillon who was murdered by an unknown person. Fifteen-year-old Brayden is the eighth child to be murdered this year in Australia. The RED HEART Campaign highlights and acknowledges the murder of all women and children in Australia.