Prior to Nelson Mandela's admission to hospital with a recurrence of lung infection, he was reportedly suffering from a heavy cold.
According to one person who saw the former South African President on Tuesday, at that point there was no reason for any particular concern.
ITV News' Africa Correspondent Rohit Kachroo reports from Pretoria.
More top news
Here is the letter sent by the broadcasters to Prime Minister David Cameron's office in relation to the planned TV leaders debates.
Machete-wielding armed robbers tied up staff and customers of a north Manchester pub during a terrifying raid.
The South African Salvation Army has used a picture of a dress that sent the web into meltdown to raise awareness about domestic violence.