Celebrations have continued throughout the night after Ireland made history by becoming the first country in the world to vote in favour of same-sex marriage.
New laws will be put to the Dail before the summer, and the first same-sex marriages could take place before the end of the year.
Fianna Fail’s Bobby Aylward has won the Carlow-Kilkenny by-election.
He overtook 13 candidates to take the seat left vacant by EU Commissioner Phil Hogan.
The UN Secretary General is beginning a three-day visit to Ireland.
The official trip begins in Co. Tipperary where Ban Ki-Moon will be presented with a Peace Award.
A US police officer has been found not guilty of shooting dead an unarmed black man and woman following a high-speed car chase.
A judge in Cleveland said Michael Brelo acted reasonably when he climbed on a car bonnet and fired repeatedly through the windscreen at Malissa Williams and Timothy Russell in 2012.
Sweden has won the Eurovision Song Contest.
Mans Zelmerlow scooped victory with his performance of Heroes.
Meanwhile - Australia were allowed to enter for the first time to celebrate the competition's 60th anniversary.