A number of pipe bomb parts were found in a house in Co. Louth last night.
Gardai confirmed the news this morning following a raid on the premises in Drogheda yesterday evening.
A suspect device was found inside the premises at Marley Court.
The Army Bomb Disposal Unit was called in but no explosive material was found.
Meanwhile cocaine and amphetamines were seized.
A man and woman in their 50s who were arrested at the scene are still being questioned by Gardai.