A man is being questioned after a pipe bomb was discovered in Tallaght yesterday.
Gardaí arrested the man in his 50's at a house in Dominics Terrace.
At around 8 yesterday morning, the army bomb squad was called to a house near Tallaght Hospital.
According to The Herald, a pipe bomb was found in a plastic bag in the back garden.
It's also understood to be part of an investigation into a shooting at a different Tallaght home last week.
The device was removed from the scene for analysis.