An eight-year-old child was the sole survivor after a bus carrying 46 people fell from a bridge in South Africa into a ravine and caught fire. The child, who has not been named, was taken to hospital with serious injuries, the transport ministry said in a statement late on Thursday. The vehicle had been heading from neighbouring Botswana to Moria in the north of the country 45 dead as bus plunges from bridge into ravine in South Africa