NSW Police has ended its investigation into a historical rape allegation made against a Cabinet minister.
The allegations date back to 1988 when the woman involved was 16 and visiting Sydney.
The unnamed Cabinet minister is expected to address the allegations in front of media tomorrow, Nine Political Editor Chris Uhlmann has said.
The MP has "vigorously denied" the claims.
Uhlmann said the minister had been contemplating coming forward for the past couple of days.
Nine understands the minister will not stand down, and there will not be a parliamentary inquiry into the allegations.
The woman took her own life last June.
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NSW Police said in a statement today it had sought legal advice about the case which determined there was "insufficient admissible evidence to proceed".
Prime Minister Scott Morrison said yesterday he had spoken to the Cabinet minister at the centre of the allegations and the MP had "categorically denied" the claims.
The woman first attended Adelaide police station in November 2019 to seek advice about reporting her rape claim, NSW Police said.
The matter was then referred to NSW Police and an investigation was launched by the Child Abuse and Sex Crimes Squad, which formed a special team to investigate the claims, known as Strike Force Wyndarra.
However, the woman never made an official statement to NSW Police.
Friends of the woman are now pushing for an independent investigation.
Mr Morrison, whose office received documents detailing the claims, said allegations made against a person of the parliament were not enough to stand someone down.
"We can't have a situation where the mere making of an allegation and that being publicised through the media is grounds for, you know, governments to stand people down simply on the basis of that," he said yesterday.
"I mean, we have a rule of law in this country and it's appropriate that these things were referred to the Federal Police. They have been."
The Australian Federal Police (AFP) has confirmed it received a complaint in relation to the historical rape allegation on Sunday.
This morning, AFP Commissioner Reece Kershaw told 2GB's Ray Hadley the claims did not fall within the jurisdiction of the Federal Police.
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