The incident is believed to have occurred in Church Street at approximately 12.15am on Sunday (July 31).
The man remains in police custody at this time.
Detective Inspector Gallagher said: “Enquiries remain ongoing. We would appeal to anyone who was in the area at the time or has information which may help our investigation to contact Police on 101, quoting reference number 1770 of 31/07/22.
“Information can also be provided anonymously to the independent charity Crimestoppers on 0800 555 111.”