Share this article Local Gardaí undertaking new operation aimed at protecting coastal areas and waterways from crime. Operation Dualgas was launched by Sligo Leitrim Gardai and focuses on illegal activities such as drug and human trafficking, property crime and all activity associated with organised crime. Garda Dora Treacy from the Sligo-Leitrim Division says the operation involves strong elements of co-operation from many state agencies. Advertisement