A man has been arrested following the discovery of 400 cannabis plants in Co Tipperary.

A house at Tulaskeagh Drive in Roscrea was searched last night as part of an ongoing operation by the Tipperary divisional unit.

They were also joined by gardaí from the Nenagh and Roscrea crime units.

During the search, gardaí discovered 400 cannabis plants with an approximate street value of €320,000.

A man was arrested and is being detained at Nenagh garda station under section 2 of the Criminal Justice (Drug Trafficking) Act.