The Carrick Times understands the incident occurred on Sunday, November 3, but details have only been released by police today.
Sergeant Adrian Bryan said: “It is reported that between 12.20am and 12.45am in the Knockleigh Walk area of Greenisland, a female was reported to have been assaulted by a man.
“Were you in the area at this time? Did you witness an assault taking place? Do you have dash cam footage that may show the incident?
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“Enquiries are continuing and we are appealing to anyone who witnessed anything suspicious in the area to contact police on 101, quoting reference number 92 of 3/11/19.”
Alternatively, information can also be provided anonymously to the independent charity Crimestoppers on 0800 555 111.