By Newsbreak Producer Matthew Veeran - The Nelson Mandela Children's Fund has urged South Africans to uphold Madiba's legacy by uniting together to protect children from the horrific abuses they often endure in South Africa. In the buildup to Mandela Day this week, the organisation held a Fun Walk for vulnerable children. CEO of the Nelson Mandela Children's Fund, Dr Linda Ncube-Nkomo spoke about the success of the walk and why people need to come on board to support such initiatives...