A man in his 30s has been detained as part of an ongoing investigation into the seizure of an estimated €225,000 worth of cannabis in Drogheda, Co Louth on 5 June last.
He was arrested in the area by the Drogheda Divisional Drugs Unit yesterday.
The man can be held for up to seven days under Section 2 of the Criminal Justice Act.
He is being detained at Drogheda Garda Station.
He is the third person to be arrested in connection with the case.
The two men previously arrested are currently charged and before the courts.