Three men wearing Hawaiian shirts are being sought by Essex Police after a staff member at Essex County Cricket Ground, in Chelmsford.
Officers investigating the assault are looking to identify three men (pictured), after the attack on Friday, August 11.
A member of staff was assaulted when he attempted to stop a fight at Essex County Ground, in Chelmsford, shortly after 9.30pm.
The trio were at the ground during the Essex Eagles versus Middlesex in a NatWest T20 Blast match, which started at 7pm. Essex won by nine runs.
Anyone who recognises any of these men is asked to contact Pc George Denison at Chelmsford police station on 101, quoting reference 42/120313/17.
Alternatively you can contact Crimestoppers anonymously on 0800 555 111
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