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All three surviving former British premiers are to join current Prime Minister David Cameron in South Africa for Tuesday' memorial service for former president Nelson Mandela.
John Major, Tony Blair and Gordon Brown will join Cameron for the service at Soweto's FNB stadium, where 91 heads of state including US President Barack Obama will pay their respects to the late anti-apartheid icon.
An estimated 80 000 mourners are expected to attend.
British Deputy Prime Minister Nick Clegg, leader of Cameron's junior coalition partners, the Liberal Democrats, and the leader of the main opposition Labour party Ed Miliband are also attending the service.
It is believed to be the first time in many years that all surviving British premiers have travelled abroad to attend the same event.
Prince Charles, heir to the British throne, will represent his mother Queen Elizabeth the Second at the funeral ceremony on Sunday in Qunu.
British lawmakers paid tribute to Mandela in the House of Commons on Monday.
