Three kilogrammes of narcotics worth BD34,000 have been confiscated from a number of suspects, including a woman, in separate cases.
The anti-narcotics directorate of the General Directorate of Criminal Investigation and Forensic Science said an investigation was launched after receiving a tip-off, leading to the identification and arrest of the suspects.
Drug money was also confiscated.
Legal steps were taken to refer the cases to the Public Prosecution.
The directorate has urged people to report related complaints, observations and requests for assistance on the hotline (996) or e-mail (996@interior.gov.bh)