There is mounting pressure on Garda Commissioner Nóirín O'Sullivan over the Garda breath test and court summons scandals.

Fianna Fáil has indicated it has lost confidence in the commissioner.

She issued a statement yesterday in which she admitted the revelations were 'unacceptable'.

She said new systems had been implemented and that the Policing Authority is undertaking a review.

The Social Democrats have called the Garda Commissioner's response to the controversies "completely inadequate".

They say that there was a systematic misrepresentation of the breath test figures, as well as gross incompetence regarding the incorrect issuing of court summonses.

Social Democrat TD Roísín Shortall says someone needs to be held accountable as the taxpayer is facing a huge bill: