Police are hoping to trace the man seen here in a closed circuit television image following an assault on two men outside Tesco Express in St James’s Street, Brighton, at around 10pm on Monday 6 June.
No one was seriously hurt but the man became involved in the incident and officers hope he may be able to help with their investigation.
They are appealing for the man, or anyone else who saw what happened, to email 101@sussex.pnn.police.uk or phone 101, quoting serial 1756 of 06/06.
Alternatively they can contact the independent charity Crimestoppers anonymously on 0800 555 111 (www.crimestoppers-uk.org).