The police have arrested 22 persons who were found in possession of drugs last night.
Officers searched patrons at various entertainment outlets in Paceville and elsewhere in an operation which continued into the early hours of this morning.
Cocaine, heroin and mephedrone were seized.
The police said 18 men and four women were arrested. Their age varies between 17 and 54.
Investigations are continuing and arraignments will be made in the coming days.