Detective Constable Emma Erangey said: “This was a serious assault which took place at a busy time of night and we are sure there would have been witnesses to what happened.#8221;
The injured man was taken to hospital where he remains in a serious but stable condition.
A man has been arrested on suspicion of conspiracy to cause grievous bodily harm with intent. He has been released under investigation.
Officers have launched an appeal for information. Investigations are ongoing.
A man has been left with #8220;serious head injuries#8221; following a late night assault outside a Camberley town centre pub on Friday night (January 12).