A security alert in the Ballymoyer Road area of Whitecross ended late last night (Monday).
Police and Ammunition Technical Officers attended the scene following the discovery of a suspicious object.
It has now been declared as a viable device and has been taken away for further examination.
The road reopened shortly before midnight.
Police are appealing to anyone with information, or who witnessed anything suspicious, to contact them on 101 quoting reference number 1701 of 23/05/22.
Information can also be provided to Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org.