Áine Brady (Kildare North, Fianna Fail)

If the person concerned has broken traffic lights, the garda might suspect he or she is under the influence of alcohol. This can be contrasted with the discretionary on-the-spot breath test carried out by a member of the Garda Síochána on people randomly selected. If a garda considers a person cannot provide a breath specimen for medical reasons, the person concerned can be arrested and taken to give a blood or urine sample.