A woman was sexually assaulted in NB’s nightclub in Bridge Street in Northampton town centre.
The offender is described as an Asian man with a chubby build, about 5ft 4in with short, black hair and a short, black beard. He is described as having a non-English accent.
Police have today released a CCTV image of a man they would like to speak to connection with the incident that happened at about 3.45am on Saturday, April 9.
Anyone who recognises the man in the attached image - or who witnessed the incident - is asked contact police.
Witnesses or anyone with information can contact police on 101 or Crimestoppers anonymously on 0800 555 111.