A man was arrested in the Mulladuff area of West Donegal yesterday after a drugs raid on a house.
The raid followed a heavy Garda presence in the Rosses area from early morning.
Members of the armed Garda Regional Support Unit were reported to be in the area for a number of hours.
Gardai have confirmed that one man in his 40s was arrested and a small amount of cocaine seized.
The man was taken to Milford Garda station for questioning but has since been released.
A file on the matter is due to be sent to the Director of Public Prosecutions.