A woman was sexually assaulted while walking alone in Aberbargoed on Friday, March 1.
The woman was approached from behind and assaulted in the lane off Bedwellty road, close to Pant Street at around 7.40pm.
The offender has been described as being in his 30s, around 6ft tall and of skinny build.
He was wearing dark coloured trousers, a dark jacket and black trainers with a distinctive orange sole.
The man is believed to have ran away after the incident, heading towards the Commercial Street area of Aberbargoed.
The woman is now recovering at home and is being supported by specialist officers.
Gwent Police are currently investigating the incident and are appealing for anyone with information to come forward.
Detective Chief Inspector Mark Pope, who is leading the investigation, said: “I have a dedicated team of Detectives working on this investigation and we will do everything we can to support the victim and try to identify who is responsible for this.
“If you were in the area at this time and saw anything suspicious, please do get in touch. If anyone has any CCTV or Dash Cam footage for this area at the time of the incident, please contact us. Your information could prove vital to helping with our investigations.”
Anyone with information can contact Gwent Police on 101, quoting log 485 1/3/19.
Alternatively, Crimestoppers can be contacted anonymously on 0800 555111.