Police are appealing for witnesses following an incident of sexual assault by touching in Amersham.
At around 10.30pm last Saturday (6/5) a woman was walking along Elizabeth Avenue, when a man approached her and started to talk with her.
She moved out of his way so he could pass, and he then started to grope her and touch her inappropriately.
She has then shouted at him and ran away to safety.
The offender is described as Asian, with thick dark hair, a babyish face, with no facial hair, wearing grey tracksuit bottoms, a black hoody, carrying a white plastic bag, which may have contained Tupperware in it.