Among the mourners was Prime Minister Liz Truss.
25.
Minister for Foreign Affairs and Defence Simon Coveney (left) and Lord Caine attend a Service of Reflection for Queen Elizabeth II at St Anne's Cathedral in Belfast.
26.
Dame Arlene Foster attends a Service of Reflection for Queen Elizabeth II at St Anne's Cathedral in Belfast.
27.
(left to right) Taoiseach Micheal Martin, Secretary of State for Northern Ireland Chris Heaton-Harris, Minister for Foreign Affairs and Defence Simon Coveney and Minister of State in the Northern Ireland Steve Baker attend a Service of Reflection for Queen Elizabeth II at St Anne's Cathedral in Belfast.
28.
King Charles III and the Queen Consort sign the visitors book at Hillsborough Castle, Co Down