Four people have been released on police bail after a brawl in which a man was stabbed.
The incident happened outside Liquid nightclub in Colchester High Street.
The victim was taken to Addenbrookes Hospital in Cambridgeshire where he was said to be in a stable condition.
Police arrested a 21 year-old man on suspicion of grievous bodily harm with intent, a 19 year-old man on suspicion of affray, a 23 year-old man on suspicion of common assault and a 37 year-old woman on suspicion of assaulting a police officer.
All four were questioned by detectives but have now been released on police bail while inquiries continue.