Police are appealing for the victim of a corrosive substance attack to come forward.
East Midlands Ambulance Service received a call from Mozart Close stating that a woman had a liquid thrown at her and suffered injuries to her back.
Officers and an ambulance attended the incident, which happened at around 11pm on Friday, June 26, but she had already left the scene.
Police Constable Terri Turner, who is leading the investigation, said: "Officers, along with EMAS, attended the area following the report but unfortunately the victim had already left the scene.
"We believe she may have walked on to Radford Boulevard.
"Officers have made local searches and CCTV enquiries, but sadly with no result."
A description of the woman has been released in a bid to find her as the investigation into the circumstances surrounding the incident continue a week later.
Police Constable Turner added: "We are keen to locate the woman in case she was scared to come forward at the time of the assault and we want to ensure she is safe and has sought medical treatment.
"She is described as a Polish female, aged mid 30s with dark hair in a bun and was wearing a white dress at the time of the incident.
"We currently don’t know who the suspect is. If you saw anything suspicious at that time in the area please get in touch.
"If anyone has any information about the incident or believes they can help at all, please ring 101 quoting incident number 1143 of 26 June 2020."
