Armed Gardai helped search a number of house in Co Mayo on Friday as part of a major operation.
Occupied houses as well as a number of derelict buildings in Ballina were searched during the operation.
Cannabis with an estimayed value of €21,000 and Cocaine valued at €500 were both seized.
A man in his 40s has been arrested in connection with the searches and is being held at Ballina Garda Station.
A garda spokesperson said: "The Divisional Drugs Taskforce accompanied by local Ballina Gardaí, the Armed Support Unit and the Garda Dog Unit carried out a number searches at residences and derelict premises in the Ballina area of Co.Mayo on 20 November 2020.
"Gardaí seized suspected Cannabis Herb with an estimated value of €21,000 and Cocaine valued at €500 (all pending analysis) during the course of the searches.
"A 44 year-old man was arrested in connection with these searches and was taken to Ballina Garda Station.
"Investigations ongoing."
