The incident happened outside the Pelham Arms public house at about 7.40pm. In a statement, a spokesperson for Sussex Police said: “A man suffered an injury after being assaulted during an altercation. “Officers are investigating the incident and are appealing for witnesses or anyone with information, such as mobile phone footage, to come forward. “The suspect is described as a white man, aged about 18, 6’, who was wearing a red and grey jacket. “Information can be reported to Sussex Police online, quoting serial 1240 of 04/11.”