Shots were fired at a flat in the Elms Park area of Coleraine last night (Thursday 30 September).
The incident happened shortly before 11:30pm.
No one was inside at the time.
Damage was caused to the downstairs window and the front door of the flat as a result of the incident.
Detective Sergeant Higgins said enquiries are continuing to establish the circumstances surrounding the incident.
Police are appealing to anyone with any information to contact detectives on 101, quoting reference number 2089 30/09/21.. Alternatively, a report can be made online using the 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.”