Enquiries continue into source
Police say a 'fairly large' amount of heroin has been seized around the capital.
A quantity of the Class A drug was found by staff from the Central Neighbourhood Policing Team last week.
Enquiries have been continuing as to where it came from.
Chief Constable Gary Roberts has thanked the officers involved for their 'excellent' work.

Footage circulating on social media 'now an active investigation'
Annual Tynwald Day celebrations to get underway
Sharp rise in data breaches on Island, says Information Commissioner's Office
Sixth candidate declares for Rushen
Some pubs to stay open for early-hours England match