Police are continuing to investigate reports of a rape at Norwich's University of East Anglia almost a year ago.
An investigation was launched after reports a woman was attacked near to the UEA lake on December 6 last year.
Police said the woman was attacked between 2am and 2.30am after being approached by a man.
A man in his 20s has been arrested in connection with the incident.
He has since been released under investigation.
A spokesman for Norfolk Police said enquiries were "still ongoing" into the incident.
The area was sealed off following the incident while detectives carried out their investigation.
- Anyone with information regarding the incident should contact police on 101.
- Alternatively people can contact Crimestoppers anonymously on 0800 555 111.
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