Police are appealing for witnesses to an assault on a man who was attacked on the seafront near Shooshh nightclub, on the Lower Esplanade, Brighton on Saturday.
The 26-year old victim from Heathfield was walking along the pavement when the assault took place between 5.30am and 6am.
He sustained a stab wound to his abdomen and was taken to the Royal Sussex County Hospital for treatment, but his injury was not assessed a life threatening.
A 18-year-old man from Brighton was arrested on suspicion of causing grievious bodily harm. He was questioned and bailed until Tuesday 3 March.
Anyone who witnessed the incident is asked to email 101@sussex.pnn.police.ukor call 101 quoting serial 263 of 17/1. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.