Gerry Adams: Garda Commissioner 'should go' after investigation reveals further 500,000 false breath tests

Latest: Sinn Féin President Gerry Adams has said the latest findings into the investigation of falsely recorded breath tests are "astonishing."

Update: Sinn Féin President Gerry Adams has said the latest findings into the investigation of falsely recorded breath tests are "astonishing."

Speaking on Morning Ireland, Mr Adams has said there is an issue of incompetence and that the Garda Commissioner, Nóirín O'Sullivan "should go."