A man and a woman are in custody following the incident this morning.
Two people have been arrested after Gardaí intercepted a drone, which it's believed was about to fly drugs into Castlerea Prison in Co Roscommon.
It happened at around 11am this morning after officers stopped and searched a car at Harristown, Castlerea, which is next to the prison.
Gardaí discovered two mobile phones, a smart watch, around 440 tablets and cannabis herb, along with a drone which was in the process of being set up.
A 46-year-old man and a 45-year-old woman were arrested and are being questioned at Castlerea Garda Station.