The attack happened at about 8am on Thursday May 21 when the woman, who had been walking along Mayfield Road in the town, was approached by a man and assaulted. The victim was not injured during the assault. PC Gary English said: This was a traumatic experience for the victim and Im urging anyone who recognises the man in the e-fit, or has any information about the incident, to contact us as a matter of urgency. Anyone with information about the attack should call police on 101 quoting 35/2169/18, visit www.cambs.police.uk/report or contact Crimestoppers on 0800 555111 or www.crimestoppers-uk.org .