The Army bomb disposal team carried out a controlled explosion on a suspect device in Waterford last night.
The object, thought to be a pipe bomb, was found in the back garden of a home in Central Avenue, Lisduggan at around 2.00pm yesterday.
The Army EOD travelled from Cork and arrived at the scene shortly before 5.00pm.
They carried out a controlled explosion of the device and declared the scene safe shortly before 8.00pm.
It's not known whether the device was viable.
Gardai are appealing to anyone with information to contact them in confidence on 051 305300.