South Africans celebrate Mandela's 95th birthday

People across South Africa are celebrating the 95th birthday of Nelson Mandela, whose health is "steadily improving", according to the country's presidency.

A child holds a sign saying, 'Happy 95th Birthday Madiba'. Credit: REUTERS/Mike Hutchings
A woman stands in front of posters and get well messages outside Mandela's Pretoria hospital. Credit: REUTERS/Siphiwe Sibeko
Another child waves the South African flag. Credit: REUTERS/Siphiwe Sibeko

Watch: Children sing Happy Birthday as Mandela turns 95


Mandela 'critical but stable'

Nelson Mandela remains in hospital in Pretoria in a critical but stable condition, President Jacob Zuma said. Doctors are working hard to keep the former president comfortable.