Gardaí say they have discovered a suspected crystal meth lab.
Officers from the Crumlin Drugs Unit found the lab during a raid of premises in Walkinstown.
Drugs worth more than €450,000 were seized during the search.
They also found and seized powdered substances, plastic containers, chemical compound, a gas mask, face masks, digital weighing scales, a portable stove, butane gas, plastic funnels and other paraphernalia.
The scene was preserved following the search.
A scientist from Forensic Science Ireland provided guidance identifying toxic materials found there.
A 50-year-old man was arrested at the scene.
He is currently being detained under Section 2 of the Drug Trafficking Act at Sundrive Road Garda Station.
He can be detained for up to seven days.