The cases brought by Kerry Sinn Féin TD, Pa Daly and People Before Profit-Solidarity TD, Paul Murphy point to a section of the Irish Constitution which limits the number of government members to 15 – including the taoiseach – and provides that they meet and act as a collective authority.

Micheál Martin said he had been responsible for the 'most substantive policy change' in North-South relations

President Michael D Higgins was seen in public for the first time when he voted on Friday.

Polls opened on Friday morning on the twin referenda.

People are voting whether to change the wording of the Constitution relating to the areas of family and care.