A man's been arrested after drugs worth over half a million euro were seized in West Dublin.

The drugs were discovered when the Terenure District Drugs Unit searched a house in Tallaght yesterday evening.

They've been targetting the sale and supply of controlled drugs in the Rathmines area.

When they searched the house in Tallaght they found heroin and cocaine worth 500 thousand euro.

A 47 year-old man's being held in connection with the investigation.

He's being held at Terenure Garda Station where he can be questioned for up to 7 days.