Watch: How does Ireland's election voting system work?

The Proportional Representation with a Single Transferrable Vote (PR-STV) electoral system used in Ireland is known as one of the fairest methods of counting votes in an election, but it is also one of the most complicated.

So, to cut through the confusion, news2day reporter Barry Gallagher enlisted the help of some 6th class students from his old school, Scoil Cholmcille An Tearmann in Co Donegal, to give you the lowdown on how the PR system actually works.