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Questions are being raised about Spain's rail safety as authorities launch an official investigation into the cause of Wednesday's high-speed train collision, which killed at least 68 people and wounded around 100 more, in the country's second fatal rail crash this year.
Questions are being raised about Spain's rail safety as authorities launch an official investigation into the cause of Wednesday's high-speed train collision, which killed at least 68 people and wounded around 100 more, in the country's second fatal rail crash this year.
