There is a growing public push for the federal government to free a family of Tamil asylum seekers from Australia’s offshore detention after the youngest member of the family, a girl aged three, fell critically ill with sepsis and pneumonia. Tharnica and her mother, Priya Murugappan, were evacuated to Perth Children’s Hospital in Western Australia on June 8. Priya Murugappan said that day that medical staff on Christmas Island refused to admit her daughter to the hospital after she fell sick two weeks ago. “I want to thank everybody for their love and good wishes,” Murugappan said. “I hope that Tharnicaa can get the help she needs now. Please, help us to get her out of detention and home to Biloela.” One of the families advocates here in Australia, Angela Fredericks, told Nine News that Tharnicaa was experiencing dangerous temperature spikes in the days leading up to her evacuation. Her mother …