<p><br /> Officials have been burying the dead in mass graves following Friday's devastating explosion on Friday in the Democratic Republic of Congo.<br /> </p><p><br /> At least 230 people have been killed when a fuel tanker overturned and exploded, unleashing a fire ball that tore through homes and cinemas packed with people watching the World Cup.<br /> </p><p><br /> Witnesses described scenes of devastation in the town of Sange, where houses were burnt and bodies littered the streets.<br /> </p><p><br /> Some people died while trying to steal fuel leaking from the tanker, but most were killed at home or watching World Cup football in cinemas.<br /> </p><p><br /> Marcellin Cisambo, governor of South Kivu province, where the incident took place, said the blast occurred when the fuel truck overturned, leaked fuel and then later exploded.<br /> </p><p><br /> It was not immediately clear what caused the initial accident or later blast, but local people said the truck, which was part of a convoy, stopped when the road seemed to crumble, toppling the vehicle and spilling fuel.<br /> </p>
