The architects of the Good Friday Agreement have appeared together at an event to mark the 20th anniversary of the historic deal.
It has been organised by the Senator George J. Mitchell Institute for Global Peace, Security and Justice at Queen's University.
Many of the key players in passing the landmark 1998 agreement have arrived on Queen's campus for the anniversary conference.
An opening address will be given by Senator George J. Mitchell, followed by three panel discussion with the figureheads in attendance.
Senator Mitchell is will be joined at the event by former US President Bill Clinton, former Prime Minister Tony Blair, and former Taoiseach Bertie Ahern - all of whom were in office when the deal was signed.
Other notable figures in attendance are former SDLP deputy first minister Seamus Mallon, former chief of staff to Tony Blair Jonathan Powell, former Sinn Fein president Gerry Adams, former leaders of the UUP Lord David Trimble and Sir Reg Empey, former DUP leader Peter Robinson, and Professor Monica McWilliams.
Northern Ireland Secretary Karen Bradley and Irish Foreign Minister Simon Coveney are also in attendance.
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