Last December, McGregor was accused of sexual assault.
It's the second sexual misconduct allegation levied on the 31-year-old mixed martial artist within a year.
Conor McGregor arrives at The Criminal Courts of Justice in Dublin.
The paper says authorities have yet to interview McGregor, and he has yet to be charged as well. According to sources to The New York Times, McGregor is alleged to have been involved in a situation in which a woman in her 20's was sexually assaulted by a auto parked outside of a Dublin Pub.
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McGregor is also facing another case involving a bar scuffle after TMZ released a video showing the MMA fighter punching a man at a pub in April. Results from the investigation are in the hands of Ireland's prosecutor's office.
"Conor McGregor is frequently the subject of rumors", his publicist told The Times in an emailed statement. "He emphatically denies any report accusing him of sexual assault", they said via email.
David Aaro is a Freelance Reporter at Fox News Digital based in New York City.
McGregor announced his retirement on Twitter in March, hours before the allegations about the hotel assault became widely known. The prospect of McGregor's imminent return has been exciting the fans for quite some time now. McGregor was charged in the assault and later apologized for the cheap shot.