Over three quaters of a million euro worth of drugs have been seized and a man arrested in West Dublin.

As part of a planned operation officers from the Drugs and Organised Crime Bureau and the local drugs unit carried out a search of a house in Blanchardstown earlier today.

During the search they discovered 300,000 Zopiclone Tablets worth an estimated 600,000 euro and Diazepam Tablets worth an estimated 280,000 euro and heroin with a street value of 3,600 and Cannabis worth just over 2,000 euro.

A man in his 30's arrested at the scene is detained at Blanchardstown Garda Station.