Dublin's Q102 By Ciaran Halpin Gardaí have arrested a man and seized cannabis herb worth in excess of €80,000 in the course of a planned operation in North Dublin yesterday. The drugs were seized as part of 'Operation Tara' during a planned search of a residential property in Donabate by Gardaí from the Divisional Drugs Unit based at Coolock Station. A man in his 50s was arrested and detained for questioning under Section 4 of the Criminal Justice Act, 1984 at Swords Garda Station. He has since been released pending further enquiries. Under the same operation, A man in his 30s is being held after Gardaí seized drugs worth 40 thousand euro in County Wicklow.