The Criminal Assets Bureau is currently carrying out searches in Limerick, Tipperary & Dublin this morning.
The searches are taking place as part of an investigation into an organised crime gang.
CAB says the gang is involved in the sale and supply of drugs throughout Limerick.
They are then laundering the proceeds through a car sales outlet in Limerick City.
Armed Gardai belonging to the Emergency Response Unit are involved in the operation which is currently ongoing.