It's been confirmed the child had injuries I am not going to speculate further on what those injuries are," Superintendent Gillies said.The woman is not able to be identified, but police confirmed she was known to them.Police also confirmed the woman and child lived together at the property."There is a domestic relationship to the child … the 32-year-old female and the four-year-old child lived at the unit together, and as I understand it, nobody else lived at that unit," Superintendent Gillies said.Shadow Minister for Families and Communities Natasha Maclaren-Jones said it was a "terrible tragedy" that raised "serious questions"."We know thousands of children reported at risk are going unseen because there simply are not enough caseworkers to assess them," she said."Frontline staff are doing everything they can under chronic understaffing and unsustainable workloads, but the system is being pushed beyond its limits."The matter is expected to return to court in September.Government frontbencher Penny Sharpe said the DCJ was "working through their processes"."The death of any child is horrific