On 25 September officers from the West Dorset County Lines Management Team detained two people in the Park District area of Weymouth for a search under the Misuse of Drugs Act.
Suspected controlled drugs and a large quantity of cash was seized following the search.
Two people, who are not local to the Weymouth area, were arrested on suspicion of drugs supply offences and remain in police custody.
Officers are continuing with their enquiries.
Anyone with information regarding the supply of drugs is asked to contact Dorset Police at www.dorset.police.uk, via email 101@dorset.pnn.police.uk or by calling 101. Alternatively, contact Crimestoppers anonymously on 0800 555 111 or via www.crimestoppers-uk.org