Police are appealing for witnesses after a 53-year-old man suffered a fractured jaw, broken nose and numerous lacerations in an apparent attack outside a pub in Holton le Clay.
The incident took place outside a pub in Pinfold Lane shortly after 9pm on Saturday night.
A 22 year-old man was arrested on suspicion of GBH and has been released on police bail until May 19 while enquiries continue.
Anyone with information should contact DC Scott Miller by dialling 101 and quoting the incident number 425 of January 26.
Report crimes anonymously by contacting Crimestoppers on 0800 555 111.