A portrait of former South African President Nelson Mandela is attached to a wall outside the Mediclinic Heart Hospital where he was being treated in Pretoria, South Africa. THE ASSOCIATED PRESS

Former South African President Nelson Mandela, 87, is in a jovial mood in 2005 at the Mandela Foundation in Johannesburg, where he met with the winner and runner-up of the local “Idols” competition. ASSOCIATED PRESS FILE PHOTO

Nelson Mandela and his wife, Winnie, raise clenched fists as they walk hand-in-hand upon his release from prison in Cape Town, South Africa, in 1990. ASSOCAITED PRESS FILE PHOTO

Cuban leader Fidel Castro, left, shares a laugh in 1998 with South Africa President Nelson Mandela at a meeting of the World Trade Organization in Geneva, Switzerland. ASSOCIATED PRESS FILE PHOTO

Libyan President Moammar Gadhafi, right, and South African President Nelson Mandela salute the crowd as they arrive at the congress center in Zuwarah, Libya, in 1997. THE ASSOCIATED PRESS

Former South African President Nelson Mandela, laughs while celebrating his 89th birthday with children at the Nelson Mandela Children’s Fund in Johannesburg. ASSOCIATED PRESS FILE PHOTO

Two boys walk past a mural depicting former South African President Nelson Mandela at the Alexandra township in Johannesburg in 2012. ASSOCIATED PRESS FILE PHOTO

Former South African President Nelson Mandela lifts the World Cup trophy in Zurich, Switzerland, in 2004 after FIFA’s executive committee announced that South Africa would host the 2010 FIFA World Cup soccer tournament. Mandela was pivotal in helping the country win the right to host the tournament. ASSOCIATED PRESS FILE PHOTO

A hawker pushes his goods past portraits of former President Nelson Mandela depicted in various stages of his life along a street in Soweto, South Africa. ASSOCIATED PRESS FILE PHOTO