Images of Rwandan President Paul Kagame lighting the flame of remembrance at the Kigali Genocide Memorial, where more than 250,000 people are believed to be buried. Rwanda on Sunday paid solemn tribute to genocide victims, 30 years after a vicious campaign orchestrated by Hutu extremists tore apart the country, as neighbours turned on each other in one of the bloodiest massacres of the 20th century. IMAGES