South Africa is marking 30 years since its first democratic elections, but the ANC could lose its grip on power due to endemic corruption, record levels of crime and unemployment, and infrastructure problems. Also in the programme: thousands of people in Australia take to the street to demand action following a surge in violence against women; and a hole in the ozone layer is causing problems for wildlife in the Antarctic. (Photo: Supporters of the African National Congress (ANC) in Soweto, South Africa. Credit: Reuters).