Two people are still being held after drugs worth over 310 thousand euro were seized in Limerick and Cork.
The discoveries were made in Bruree and Charleville.
The first seizure of drugs was made when a home was searched in Bruree in County Limerick on Friday evening.
198 thousand euro worth of cannabis, cocaine with a value of 10 and a half thousand euro, almost 80 thousand euro worth of Xanax tablets and amphetamines was found.
Then, Gardaí carried out a follow-up search of a home in Charleville in County Cork and found cocaine, cannabis, weighing scales and drugs paraphernalia.
A woman in her 30s and a man in his 40s who were arrested are still being questioned this morning at a Garda station in the County Limerick area.