A man was arrested in St Helens town centre after a reveller was assaulted outside a nightclub.
Police were called to Westfield Street in the early hours of last Friday (August 29) following reports a man had been assaulted.
The victim, aged 37, was found lying on the street suffering from facial injuries.
A 20-year-old man from the Prescot was arrested on suspicion of assault and has been released on police bail.
Anyone with information about the incident is urged to call Merseyside Police on the 101 number or Crimestoppers on 0800 555 111.