Police have recovered and made safe an improvised explosion device and removed a number of items from a house search in Keady.
The items and the device were seized and taken away for further forensic examinations.
Officers carried out a search at the location yesterday in support of an investigation by An Garda Síochána in Monaghan.
Gardaí are continuing to a question a man in his 40s in relation to the discovery of suspected IEDs at locations in the Southwest and Monaghan.
Enquiries are continuing and at this stage, police are also investigating a potential link between this search and a security alert which occurred at the Ballyards Road area of Milford in Armagh on Tuesday 1st July.