Police investigating a serious sexual assault in Sandbach are appealing to the public for help.
Officers say the 28-year-old woman, who had been out with friends, left the Market Tavern at 2.30am with the suspect on Friday 20 October to walk home.
At around 3am they entered an alleyway by the Ganges restaurant in Bradwall Road where the alleged incident took place.
DC Nicola Dolan said: “A 20-year-old man has been arrested as part of our enquiries and the victim is being supported by specialist officers.
“I’m particularly interested in speaking with a potential witness who walked past the alleyway, he may have seen the victim in a semi naked state.
“I would urge you to contact me so I can progress with my enquiries, you could have vital information that could help me with my enquires.”
Anyone with information should contact DC Nicola Dolan on 101 quoting incident number 145 of 21 October 2017. Alternatively information can be given anonymously by contacting Crimestoppers on 0800 555 111.