
Suspected drugs worth £2.4m were seized by detectives, following the search of a vehicle in Lisburn on Tuesday.
A man in his 40s has been arrested on suspicion of a number of offences.
The drugs were found after police officers on patrol stopped a suspicious vehicle in the Hillsborough Road area of the city at around 21:15 BST.
Detective Sergeant Martin said:: "The van was subsequently searched and approximately 20kg of suspected cocaine was recovered."
"We are actively committed to removing dangerous drugs from our streets and proactively investigate to disrupt and arrest those involved in the drugs trade," he added.