It's the second seizure in the midlands in recent days.
Three men have been arrested after a number of drug seizures in Laois.
It follows searches of premises across Portlaoise over the last 48 hours by Gardaí.
Heroin, cocaine, cannabis, cash and drug paraphernalia were discovered during the operation.
Investigations remain ongoing into the second major seizure in the midlands in as many days.
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