A man has been arrested following the seizure of €600,000 worth of cannabis herb in north county Dublin.

The drugs were found in a vehicle during a search operation near Man O'War yesterday.

A 34-year-old man was arrested and is being held at Balbriggan Garda Station.

The operation was part of an ongoing investigation involving gardaí and Revenue Customs officers.

Separately, 100 cannabis plants were discovered in a grow house in Clara, Co Offaly with an estimated value of €80,000.

Investigations are continuing.