A memorial stone will be laid in Westminster Abbey for the late South African President Nelson Mandela.
Prince Harry will join almost 2,000 people for a memorial service to commemorate the late leader's life and work at the abbey.
Prime Minister David Cameron, deputy president of the Republic of South Africa, Kgalema Motlanthe, and Archbishop Emeritus of Cape Town, the Most Reverend Desmond Tutu will all be among the congregation.
Mr Mandela, who died on December 5 last year, was welcomed to the abbey in July 1996 when, during a state visit, he laid a wreath at the Grave of the Unknown Warrior.
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