HOBART, Australia—An 11-year-old boy has become the sixth fatality of Devonport’s Hillcrest Primary School tragedy. Tasmania Police Commissioner Darren Hine says Chace Harrison died in hospital on Sunday afternoon. His death follows those of 11-year-old Addison Stewart and 12-year-olds Zane Mellor, Jye Sheehan, Jalailah Jayne-Maree Jones and Peter Dodt. A gust of wind sent a jumping castle being played on by nine children in total 10 metres into the air during year-end celebrations at the school on Thursday. Two children remain in a critical condition in Royal Hobart Hospital and one other is in recovery at home. “It is with a heavy heart that I can confirm a sixth child has lost his life following the tragedy,” Mr Hine told reporters in Hobart. “An 11-year-old boy died this afternoon, his name is Chace Harrison. Our thoughts continue to be with his family and all other families and loved ones of the …