The conference is going on for three days.

5.
John Alderdice and Gerry Adams, attending the three-day international conference at Queen's University Belfast to mark the 25th anniversary of the Belfast/Good Friday Agreement. Picture date: Monday April 17, 2023. PA Photo. See PA story ULSTER Agreement. Photo credit should read: Niall Carson/PA Wire Photo: Niall Carson

6.
Gerry Adams and Gary McMichael, attending the three-day international conference at Queen's University Belfast to mark the 25th anniversary of the Belfast/Good Friday Agreement. Picture date: Monday April 17, 2023. Photo: Niall Carson

7.
Hillary Clinton and George Mitchell on stage during the three-day international conference at Queen's University Belfast to mark the 25th anniversary of the Belfast/Good Friday Agreement. Photo: Niall Carson

8.
Former taoiseach Bertie Ahern listening to the speakers during the three-day international conference at Queen's University Belfast to mark the 25th anniversary of the Belfast/Good Friday Agreement. Photo: Niall Carson

