Leo Varadkar becomes the new party leader of Fine Gael, after winning 51 of 73 votes in the parliamentary party, and is expected to become Taoiseach (Prime Minister) of Ireland, which would make him the youngest and first openly gay man to be Taoiseach, as well as being the first of half-Indian descent.
Prime Minister Enda Kenny, who rejected suggestions he should resign, says he will "fully and inclusively" engage with other parties, groups and Independents, including Fianna Fáil, as he forms the country's government. Sinn Féin says it is not interested in forming a coalition government with Kenny's Fine Gael party.
Voters in Ireland go to the polls for a general election. Exit polls indicate that the ruling coalition of Fine Gael party led by Enda Kenny and the Labour Party will fall short of re-election with 34% of the vote between them.
Irish politicians respond to High Court Judge Paul Carney's order that a man who plead guilty in court to repeatedly raping his daughter as a child be granted bail and provisional released. Taoiseach Enda Kenny comments on a nation "filled with revulsion" at the outcome of the case, while opposition politician Gerry Adams refers to abuse his father inflicted on others.
Ireland's Taoiseach Enda Kenny attacks the Vatican's approach to the child abuse scandals in the country as "absolutely disgraceful", while the Socialist Party's Joe Higgins tells Dáil Éireann that people were "throwing their hands in the air" after the report into the sexual abuse scandal in Cloyne diocese was published this week.
A bomb explodes in Omagh, County Tyrone, Northern Ireland, killing one, hours after around 2,000 participants in a half marathon pass by. The incident evokes memories of the 1998 Omagh bombing, while taoiseach Enda Kenny (Republic of Ireland) accuses the perpetrators of "acting in defiance of the Irish people".
The leaders of Ireland's two main political parties, Fianna Fáil and Fine Gael, come under fire. Irish Taoiseach Brian Cowen faces a motion of no confidence in Dáil Éireann, his second in just over a year. Leader of the Opposition, Enda Kenny, who sacked his deputy leader yesterday to prevent a potential coup, faces further revolt from his party as nine more members of his frontbench call on him to resign.
Irish Minister for Defence Willie O'Dea resigns after a controversy surrounding his remarks on a rival politician's relationship with brothels but denies claims by opposition party Fine Gael that he has committed perjury. Taoiseach Brian Cowen assigns himself temporary responsibility for the Department of Defence.