Six people have appeared in court charged with being concerned in the supply of drugs.
It comes after police carried out two intelligence-led operations in Aberdeen on Thursday and seized £4,400 of heroin and crack cocaine, as well as more than £1,000 in cash.
Neil Booth, 36, of Aberdeen, Winston Johnson, 26, and Dadlin Whelan, 25, both from Birmingham, appeared in private at Aberdeen Sheriff Court yesterday accused of being concerned in the supply of drugs.
They made no plea or declaration, and Booth and Whelan were released on bail.
A fourth man, aged 44, was freed pending further inquiries.
They appeared in connection with a raid at Torry.
In a separate case at the sheriff court, three men appeared after police searched addresses in the west end and George Street areas of the city.
Elvis Washington Chin, 32, of Croydon, Allan Davidson, 30, of Aberdeen, and Leon Smith, 40, also of Aberdeen, made no plea or declaration.
Davidson was released on bail.
A fourth accused, a 19-year-old woman, was freed pending further enquiries.