Officers have appealed for information after reports of a rape in Sunderland last month.
The victim is said to have left the 7even nightclub, on Derwent Street in Sunderland, with a man at around 5.20am on Sunday, September 18.
It is reported the victim then woke up in a property having been raped. Police have been investigating since.
Anyone with information is asked to contact Northumbria Police immediately via their website or by calling 101 quoting crime number 110527s/22.