Part of the depot on the Mallusk Road had to be evacuated on Friday night as Army bomb disposal officers dealt with the device
A suspicious package found at a sorting office in Newtownabbey, County Antrim, was a viable letter bomb, police have said.
Part of the depot on the Mallusk Road had to be evacuated on Friday night as Army bomb disposal officers dealt with the device.
The security alert ended in the early hours of Saturday.
The object has been taken away for examination.
