AIDS summit opens with warnings that progress at risk

More than 18,000 scientists, campaigners and donors opened a major AIDS conference in South Africa on Monday, issuing stark warnings that recent gains in the fight against the disease were under threat. The five-day International AIDS Conference returns to Africa 16 years after Nelson Mandela galvanised the world to take up the fight against AIDS, describing it as "one of the greatest threats humankind has faced". Again hosted by the coastal city of Durban, the conference is seen as the key gath