Former South African President Nelson Mandela, left, is pictured on a mural with South African apartheid freedom fighter Steve Biko, right, in the city of Cape Town, South Africa, Sunday, March 10, 2013. South Africa’s presidency says Nelson Mandela has spent a night in the hospital after he was admitted for tests. Presidential spokesman Mac Maharaj said Sunday there were no updates on 94-year-old Mandela’s condition since he went to a hospital in Pretoria on Saturday afternoon.(AP Photo/Schalk van Zuydam)