Over 20 local people were arrested on suspicion of drug offences this month as part of a police operation.
The Constabulary wanted to identify those actively dealing class A drugs, mostly in or around licensed premises.
Between January 30 and February 8, 21 people were arrested, with 19 of those charged with criminal offences.
Chief Constable Russ Foster explains the need for initiatives such as 'Operation Nightjar:'