A large number of trailers were destroyed in a fire at an industrial estate in the Stiles Way area of Antrim.
A significant amount of damage was caused in the blaze which broke out on Tuesday evening (October 19).
At around 8.40pm, police received a report of an ongoing large fire in the area. NIFRS extinguished the fire.
Stiles Way was closed for a number of hours but has since reopened.
A significant amount of damage was caused as a result of this large fire, including a large number of trailers being destroyed, along with damage being caused to buildings and other items.
Detective Sergeant Lyttle said: “Enquiries into this incident are ongoing and the cause of the fire remains under investigation. We are appealing for anyone with information and who may have witnessed any suspicious activity in the area or have information about this incident to contact detectives on 101, quoting reference number 1855 of 19/10/21.”
A report can also 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.