NSW Family and Community Services Minister Brad Hazzard is being urged to reveal whether any other children in foster care refuge centres have been assaulted by staff following the alleged rape of a teenage girl.
Mr Hazzard was grilled in state parliament on Tuesday about the 14-year-old "high needs" girl, who was allegedly raped over a five-month period by two workers at the residential foster home in Sydney's inner west.
He faced repeated questioning about whether sufficient measures were taken to protect any other children who attended the centre when the alleged abuse occurred in 2012.
The minister said he had been advised that the Children's Guardian and the NSW Ombudsman took all necessary steps to ensure children in the refuge were safe when the allegations were made.
"I am advised by the department and the relevant agencies that they took all steps, as best they could, to safeguard those who were in the facility or had anything to do with the alleged offenders," he told parliament.
But the Opposition family and community services spokeswoman Tania Mihailuk has criticised the minister's response, and has repeated calls for an independent inquiry into the case.
"We still have no assurances as to whether any other children have potentially been assaulted at this facility," Ms Mihailuk said on Wednesday.
Mr Hazard has written to the director of public prosecutions to reconsider the investigation after it was recently revealed the sexual assault charges were dropped after the girl's death.
This was despite evidence reportedly showing DNA matching a care home worker's on the girl's underwear.
Details of the abuse only emerged after one of the alleged offenders applied for a working with children check.
A coronial inquest into the girl's death is due to begin on August 29.
