Key figures from the Belfast/Good Friday Agreement period have gathered at Queen's University Belfast to mark the Agreement's 20th Anniversary.

Chair of the talks and former US Special Envoy for Northern Ireland, Senator George J. Mitchell was joined by former President of the United States Bill Clinton, Tony Blair, Bertie Ahern, Jonathan Powell, Gerry Adams and Lord David Trimble as well as a number of other key players.

View the event recording below