A terraced house on College Road in Cork city was cordoned off following the discovery of potentially hazardous chemicals.
Members of the Army's Explosive Ordnance Disposal (EOD) team and gardaí arrived at the house at 1pm and taped off the house and garden.
The house is close to University College Cork and a popular area for students.
Samples were carried out on a chemical found at the house, and one was identified as needing further testing and removed from the scene. The nature of the chemical has not been disclosed.
Once the scene was safe, both gardaí and the Army Bomb Disposal Team left the area.