Mr Sheridan said the meeting between the Queen and Mr McGuinness was "part of the healing process" and would demonstrate "that we have gotten to the stage where we can acknowledge each other with respect".

BBC: Sinn Fein's Martin McGuinness to meet Queen

Together they paved the way for free and fair elections, for a process of healing and reconciliation, and for the rise of South Africa as a political and economic leader on the world stage.

WHITEHOUSE: First Lady Michelle Obama Addresses Young African Women Leaders | The White House