A 37-year-old man needed stitches in his back after suffering a puncture wound outside a Great Yarmouth night spot.
The incident outside the Mission Bar on Marine Parade took place between 2.55am and 3.05am on Sunday, February 26.
Police have arrested and bailed a 26-year-old man in connection with the incident, and are appealing for witnesses.
Anyone who witnessed the incident or has knowledge of it should call DC David Cushway at Great Yarmouth CID on 101 or call Crimestoppers anonymously on 0800 555 111.
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