Altogether 20 people including two children died following an accident involving two minibuses and a truck in the Western Cape\'s Karoo in South Africa early Tuesday, local police said. According to South African Press Association (SAPA), a minibus taxi\'s trailer hit a truck on the N1 between Leeu-Gamka and Prince Albert at around 1:00. Captain Malcolm Poje of the Western Cape police said, the minibus overturned after it was rammed from behind by another minibus. It appeared all the people who died were the occupants of the minibus taxis. They included two children, SAPA reported. All were declared dead on the scene. The injured were taken to a local hospital. \"The main cause of the accident is not clear at this stage as police are still working on the scene,\" Poje said.