A 61-year-old man is in a life-threatening condition in Queens hospital, Romford following an assault in Southern Fried Chicken takeaway shop in St Botolphs Street, Colchester, shortly before 1am on Saturday, April 8.
The victim has been knocked unconscious, causing him to fall to the floor resulting in serious head injuries.
A 37-year-old man has been arrested on suspicion of GBH and remains in custody.
Police are particularly keen to speak to a man and a woman who were in the shop at the time of the incident. Witnesses or anyone with information are asked to contact Colchester CID on 101 or Crimestoppers anonymously on 0800 555 111.