Commemorating Srebrenica, Bosnians remember the worst single massacre of the Bosnian war 15 years ago

This weekend marks 15 years since some 8,000 Muslim men and boys were systematically killed by Bosnian Serb forces in what became known as the Srebrenica Massacre. Even today not all of the victims have been identified and DNA testing is still continuing. Ceremonies marking the tragedy began on Friday in the capital Sarajevo.