Enda Kenny has conceded that it is unlikely Fine Gael MEP Jim Higgins will retain his seat in the European Parliament.
Counting staff are involved in the gargantuan task of counting 670,000 ballots in the Midlands North-West constituency.
Luke 'Ming' Flanagan looks favourite to take top spot, with Mairead McGuinness expected to retain her seat.
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Fianna Fail and Sinn Fein candidates and Independent Marian Harkin will be fighting for the last two seats.
But the Taoiseach has conceded Jim Higgins is unlikely to keep his.