Gardai seized cannabis and cocaine from four people in Ballina on St Patrick’s Day.
Gardai searched the four men on the street in the town on Saturday and discovered the illegal substances.
In a separate incident, a man was arrested on Friday evening last after he was found in possession of cannabis. The drugs were discovered in his car after it was stopped and searched during a planned garda operation in the Foxford area.
The man was arrested for questioning. He was later released without charge but a file is being prepared for the Director of Public Prosecutions.