It's the question everyone is asking, but even the top brass in Sinn Féin can't say why support has dropped so significantly. With results flowing in from the local and Euro election counts, Áine Lawlor, Paul Cunningham, Tommy Meskill and Mícheál Lehane analyse why Fine Gael and Fianna Fáil have had a better day than they were expecting.

The RTÉ team at Leinster House and guests have an informal discussion about what has been happening in the world of Irish politics. New episodes available every Thursday evening.