Some of the others there can be seen in this picture gallery.
5.
Denis O'Brien arrives at a Gala dinner to recognise Mo Mowlam's contribution to the peace process and to mark the 25th anniversary of the Good Friday Agreement at Hillsborough Castle in Northern Ireland. Photo: Niall Carson
6.
Gerry Adams is welcomed by Laura McCorry of Hillsborough Castle and Ryan Feeney (left) of Queen's University at a Gala dinner to recognise Mo Mowlam's contribution to the peace process and to mark the 25th anniversary of the Good Friday Agreement at Hillsborough Castle in Northern Ireland. Photo: Niall Carson
7.
(left to right) Mark Durkan, Paul Murphy and Martin McAleese arrive at a Gala dinner to recognise Mo Mowlam's contribution to the peace process and to mark the 25th anniversary of the Good Friday Agreement at Hillsborough Castle in Northern Ireland. Picture date: Sunday April 16, 2023. Photo: Niall Carson
8.
Tony Blair and Cherie Blair (left) arrive at a Gala dinner to recognise Mo Mowlam's contribution to the peace process and to mark the 25th anniversary of the Good Friday Agreement at Hillsborough Castle in Northern Ireland. Photo: Niall Carson