The Green Party leader has admitted the recent event at the Merrion Hotel has undermined public confidence in the Government.
But both the Greens and Fianna Fáil at Cabinet are likely to back Leo Varadkar after his attendance at the party.
Government Chief Whip Jack Chambers says they now intend to move on with the business of Governing.
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Green Party leader Eamon Ryan wants to put it in the past, but accepts the incident has damaged public health advice:
