Two people were arrested last night in Derry city on suspicion of drug-related offences.
A 35 year old man and 30 year old woman, were arrested shortly before 9pm on suspicion of offences including being concerned in the supply of a Class B controlled drug, possession of a Class B controlled drug, and attempted possession of a Class B controlled drug with intent to supply.
They have been released on bail to allow for further enquiries to be conducted.
PSNI say the investigation continues.