Police are appealing for witnesses after a man indecently exposed himself to a woman in Rothwell on Monday, sometime between 4.15pm and 4.30pm.
The man and woman had both been on a bus from Kettering and got off at the Rowell Charter pub in Rothwell.
The woman walked along the alleyway linking Kettering Road to Bridge Street and was followed by the man who then exposed himself.
The woman ran off.
The offender was an Asian man, in his early 20s, about 5ft 5in, of slim build, with dark brown hair, brown eyes and spoke broken English with an Indian accent.
He wore a light coloured t-shirt and light coloured shorts.
Officers would like to speak to anyone who may have witnessed this incident or has any information about it.
Witnesses to this incident, or anyone with information, can call Northamptonshire Police on 101 or information can be given anonymously to Crimestoppers on 0800 555111.