Gardaí have seized quantities of cannabis and heroin and arrested a man in Limerick.

The operation, by the Limerick Divisional Drugs Unit assisted by the Garda Armed Support Unit, took place on Sunday.

They searched a house at Colbert Park in Janesboro.

During the course search, approximately 5kg of cannabis herb and 12oz of Diamorphine (heroin) was seized.

The cannabis has an estimated street value of €100,000, while the heroin is said to be worth €50,000.

A 56-year-old man was arrested at the scene.

He is being held at Henry Street Garda Station under Section 2 of the Criminal Justice Act.