A 40-year-old man is due to appear at Strabane Magistrates Court on charges linked to the seizure of £64,000 worth of cannabis in Belgium.
The herbal cannabis was seized in Belgium as part of a joint operation between the PSNI and the National Crime Agency.
In a statement, detective inspector Tom McClure, from Reactive and Organised Crime Branch, said: “As a result of the seizure, detectives searched a house in Castlederg yesterday [Tuesday] and arrested a 40-year-old man.
“He will appear in court on four charges, including attempted importation of a class B drug and attempted possession with intent to supply a class B drug.
“Anyone involved in the importation and supply of illegal drugs can expect to be pursued by police and brought before the courts.”
He is due to appear in court on Wednesday morning.
In a follow-up operation, police arrested a 40-year-old man in the Carnhill area of Londonderry.
That arrest followed the discovery of cannabis with a potential street value of £66,000 in Belgium.
This brings the total amount of drugs uncovered in the two seizures in Belgium to £130,000.
Detective Inspector Tom McClure, from Reactive and Organised Crime Branch, said: “Our enquiries with the National Crime Agency are continuing.
A property was searched in Carnhill by PSNI detectives and the suspect is being questioned at Strand Road police station in relation to a number of offences including the attempted importation of class B drugs.”