Mandela back in hospital with lung infection Former South African president Nelson Mandela has been readmitted to hospital with a recurrent lung infection, the presidency said Thursday, urging people to pray for the frail anti-apartheid hero. Images of the One Military hospital in Pretoria where Nelson Mandela may be hospitalised. ATTENTION CLIENTS: When Mandela was hospitalised in December 2012, reports said he was being treated in this hospital. Another report later suggested this was incorrect. To respect the family wishes, South African authorities are declining to give information about which hospital is treating Mandela.