20 children killed in bus crash in South Africa

At least 20 schoolchildren have been killed after their minibus collided with a truck in South Africa, according to emergency services. Emergency services tweeted photographs of the badly damaged minibus, which they said exploded into a ball of fire after the crash. Several other pupils were injured - some were reportedly dragged from the wreckage by people nearby. The cause of the accident is not yet known, but local authorities are on scene for further investigations.