Five men were beaten with baseball bats on Sunday night in what police are treating as a hate crime.
The attack on the Romanian men happened at a house in Hollybank Drive in Monkstown, Newtownabbey at around 8.20pm.
A police spokesman said the five men sustained a number of injuries as a result of the incident.
One of the men was taken to hospital for treatment.
Detectives are investigating a hate motive for the incident and are appealing to anyone who witnessed the incident or anyone with any information that can assist with the investigation to contact detectives in Antrim on 101 quoting reference 965 06/01/19.
Or, if someone would prefer to provide information without giving their details they can contact the independent charity Crimestoppers and speak to them anonymously on 0800 555 111.