Mourners have gathered in Srebrenica to mark 16 years since the massacre of some 8,000 Bosniaks (Bosnian Muslims) by Bosnian Serb forces. The remains of 613 victims recovered from mass graves and identified over the past year are being reburied at a nearby memorial centre. The Bosnian Serb commander at Srebrenica, Ratko Mladic, was arrested in May and is on trial at The Hague. He is accused of ord