The Archbishop of Canterbury will lead the tributes to Nelson Mandela at a service of thanksgiving for the life of the former South African president.
The Most Rev Justin Welby will pay tribute to Mr Mandela at St Martin-in-the-Fields in London's Trafalgar Square this morning.
The service will feature a live link to Christ the King Church in Sophiatown in Johannesburg.
Former Poet Laureate Andrew Motion is due to read his poem, To Nelson Mandela: a tribute, during the service.
Six-year-old Emma Williams was invited to sit on Nelson Mandela's lap when he visited Wales in June 1998. Now 22, she speaks to ITV News.
Nelson Mandela touched aspects of British public life in a way that very few other international figures have managed.