A 28-year-old man has been arrested and bailed by police in connection with an assault on two men outside a bar in Belvoir Street in Leicester.
The victims, aged 43 and 35, needed hospital treatment after they were attacked at about 0220 BST on Sunday 10 April by a group of about eight men.
Officers have already arrested and bailed two men, aged 18 and 54.
Pc Steve Briance said: "I would like to thank the public for their help with this investigation."
The 28-year-old was arrested on Friday.