A 28-year-old had his eye socket fractured and teeth broken after he was head-butted.
Police investigating the assault in St Albans have today released an image of two men they wish to speak with as part of their investigations into the incident, which occurred on Adelaide Street, around 11.30pm on Saturday May 9.
Detective Constable Christopher Fisher from St Albans Local Crime Unit, said: "The injured man has received some nasty injuries and I believe the men pictured may have information about the incident, which could prove useful to my investigation.
"If you recognise these men, witnessed the incident, or have any other information about what happened I would like to speak to you."
Anyone with information is asked to contact the St Albans Local Crime Unit via the non-emergency number 101, quoting crime reference F1/15/1621.
Alternatively people can contact Crimestoppers anonymously on 0800 555 111 or through the secure online form at www.crimestoppers-uk.org
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