Gardai recovered cannabis worth £100,000 from a car in Clondalkin last night. The drugs were being transferred between two vehicles in a shopping centre car-park.
Ecstasy tablets worth £4,500 together with a a handgun and £4,000 in cash were found in a follow-up search of a house in Tallaght.
Three men from the Clondalkin area were arrested in connection with the incident.