A 43-year-old man was taken to hospital after sustaining facial fractures in an assault in Belfast in the early hours of Sunday morning (27 February).
It happened shortly before 3.05am.
Inspector Anderson said a number of people were involved in a fight outside commercial premises on the Dublin Road.
“We are keen to hear from anyone who may have witnessed this incident to contact police on 101 quoting reference number 328 27/02/22,” said Inspector Anderson.
A report can also be made using the online reporting form via www.psni.police.uk/makeareport.
Alternatively, information can be provided to Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org.