Army bomb disposal experts have found two viable devices in separate parts of the North in the last 24 hours, it was confirmed tonight.
A bomb was discovered in a hedge near Jonesboro, Co Armagh, while a device was also discovered in north Belfast.
The Armagh security alert which began on Saturday is still in place and the Finnegans Road and Molly Road have been cordoned off while the device is removed.
Police in Belfast have urged the public to be vigilant and report any suspicious finds after a device found in the north of the city was also described as a viable device.
A security alert began in the Silverstream Road area, Belfast, on Saturday morning after a suspicious object was found outside a house.
Police and army were called to the scene, and the road was closed while the device was examined.