An 18-year-old woman was indecently assaulted near the parade of shops in Greyfriars, Bedford.
Police are appealing for witnesses to come forward after the incident which took place at about 2.15pm on Sunday, June 22.
The incident happened as the victim walked between a block of flats and the parade of shops in Greyfriars.
A man, described as white but with a dark complexion, possibly Eastern European, between 35 – 40 years old, with a slim build and black receding hair, wearing a blue and white striped top, lifted the victim’s dress up to expose her bottom.
The victim confronted the offender and he ran from the scene towards Brace Street.
PC Kate Rowley, investigating, is keen to speak to members of the public who saw the incident or anyone else who may have been subjected to this type of behaviour.
Anyone with information about this crime can contact PC Rowley, in confidence, at Bedfordshire Police on 101, or text information to 07786 200011.
Alternatively you can contact the independent crime fighting charity Crimestoppers, anonymously, on 0800 555 111.