DETECTIVES are appealing for information following an assault at a leisure venue popular with Thurrock revellers.
Officers were contacted at around 4.15am on Sunday, 6 January following reports of an incident at the Festival Leisure Park in Basildon.
During it a 23-year-old man suffered serious head injuries. The victim was taken to hospital where he remains in a serious condition.
Officers would like to hear from anyone at the Festival Leisure Park at the time who may have witnessed the incident.
An 18-year-old man from Basildon has been arrested on suspicion of causing grievous bodily harm. He remains in custody.
Anyone with information can contact Basildon CID on 101 or Crimestoppers anonymously on 0800 55 111.