“A suspected underground gas explosion ripped open roads and flipped vehicles in the heart of South Africa’s biggest city, killing one man and injuring at least 41 people, authorities and emergency services said on Thursday.

The cause of the blast, which happened during Wednesday’s evening rush hour in downtown Johannesburg, remained unclear. The company that supplies gas to that part of the city said it did not believe its underground pipelines were responsible, as authorities first thought.”

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