Gardaí have seized €1.6m worth of drugs and €700,000 in cash after a number of searches in Dublin and Meath.
Two men have been arrested and are in Garda custody.
Yesterday, gardai undertook a special operation targeting those suspected to be involved in organised crime internationally.
A 43-year-old Dutch man was arrested in Dublin 4 after being found with about €200,000 in cash.
He was arrested for money-laundering offences.
In a follow-up search at a premises in Dublin 4, about €500,000 in cash and a number of gold bars were seized.
The second operation yesterday was targeted against a suspected crime gang that operates in Meath and Dublin.
Gardai intercepted a vehicle in Tallaght, seized some cocaine and heroin and arrested a 24-year-old man.
They then carried out follow-up searches at premises in Ashbourne and Ratoath, Co Meath, and seized cocaine and heroin worth about 1.6 million euro.