Crowds of well-wishers are outside Pretoria's Mediclinic Heart Hospital to pay tribute to the anti-apartheid icon through posters, songs and prayer.
Crowds Gather Outside Nelson Mandela's Hospital

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A well-wisher pays respect to ailing former South African President Nelson Mandela outside the Mediclinic Heart Hospital in Pretoria, June 27, 2013.

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Granddaughters Zaziwe Dlamini-Manaway and Tukwini Mandela are surrounded by the media outside the Mediclinic Heart Hospital in Pretoria, June 27, 2013.

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Children release 95 white balloons to mark the upcoming birthday of ailing former South African President Nelson Mandela outside the Mediclinic Heart Hospital in Pretoria, June 27, 2013.