A man in his 20s was attacked by a number of men at Castle Street in Belfast on Wednesday night (7 July).
It happened just before 10pm.
Detective Sergeant Wilson said the man was taken to hospital for treatment following the incident.
“Enquiries are continuing to establish the circumstances surrounding the incident and we would appeal to anyone who witnessed the incident or who may have any information, to contact detectives on 101 quoting reference number 2095 07/07/21. You can also submit a report online using our non-emergency reporting form via http://www.psni.police.uk/makeareport/ . You can also contact Crimestoppers anonymously on 0800 555 111 or online at http://crimestoppers-uk.org/ ,” he added.