Mandela treated for lung infection; wife says his 'sparkle' fading

Former South African president Nelson Mandela, who is 94 and has been in hospital since Saturday for tests, has suffered a recurrence of a lung infection but is responding to treatment, the government said on Tuesday.
The revered anti-apartheid leader and Nobel Peace laureate is spending his fourth day in a hospital in the South African capital Pretoria. He remains a hero to many of South Africa's 52 million people and two brief stretches in hospital in the last two years made front page news.