Police are appealing for information after a woman reported being raped on a night out.
The victim had been in Browns bar on Glovers Court in Preston city centre and was talking to a man inside the premises.
After leaving the bar, she was taken to an address on Avenham Lane, where she told police she was sexually assaulted.
Officers have released CCTV images of a man they are looking to speak to in connection with the incident and are appealing for him, or anyone who knows him to come forward.
Det Sgt Steve Ryder, who is investigating, said: “I am particularly keen to speak to anyone who may have seen this man speaking to the victim inside Browns between the hours of 1am and 3am on Saturday, September 21.
“We have released an image of a man that we believe was in the area at the time of the offence and we are appealing for him or anyone who recognises him to come forward. If anyone has any other information that they think could help, I would ask them to contact us.”
Anybody with any information should contact police on 101 quoting log number LC-20130923-0464. Alternatively, information can be passed to Crimestoppers anonymously on 0800 555 111 or on-line at Crimestoppers-uk.org. No personal details are taken.