Gardaí have seized heroin worth around €700,000 in Dublin.

Investigators said the operation took place last Monday.

During searches of a flat at Tyrone Place in Inchicore, gardaí uncovered around 5kg of heroin.

A man in his 30s was arrested at the scene and was taken Kilmainham Garda Station.

He has since been released, with a file due to be prepared for the Director of Public Prosecutions (DPP).