Thames Valley Police is appealing for witnesses following a sexual assault in Bletchley.
At around 7.30am on Wednesday (24/11), the offender ran along Vicarage Road in Bletchley in the direction of Aylesbury Street and Manor Road.
While still on Vicarage Road, he approached a woman, aged in her twenties, from behind and inappropriately touched her over her clothing.
The offender is described as male, and was wearing a dark blue jacket with the hood up and dark trousers.
He was running very fast and continued to run off after the incident, and so no further description is available.
Investigating officer PC Hannah Kastrian, based at Milton Keynes police station, said: “I am appealing to anybody who witnessed this incident, or who may have dash-cam footage from around the time of the incident to please contact us on 101, quoting reference number 43210531218.
“Alternatively you can make a report online or call the independent charity Crimestoppers 100% anonymously on 0800 555 111.
“I believe this incident to be isolated and not linked to any previous incidents, and although shaken, the victim was not injured.”