Police are appealing for witnesses to a serious assault in Foundry Retail Park, Foundry Lane, Horsham, on Tuesday.
Officers responded to a report of a potential stabbing, however, it later transpired to be a serious assault.
The victim, a 24-year-old man, was found with a head injury after being hit across the head with a metal instrument.
He was taken to hospital with serious but non-life threatening or non-life changing injuries and has since been discharged from hospital.
Officers are particularly keen to speak with a group of three men, one of which had a grey bike, at the time of the attack.
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