Police have issued a photograph of a man they wish to speak to in connection with an assault and other offences.
Officers say are they keen to locate the 23-year-old - who they did not name - who may be able to assist the investigation into the alleged offences.
They are urging him to make contact.
Anyone with information as to his whereabouts is asked to contact Northamptonshire Police on 101. Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.