The gas leak at the Nord Stream gas pipeline in September. German authorities investigating blasts that tore through the Nord Stream natural-gas pipelines last year have identified a boat manned by a six-member crew that they say could have been involved in a sabotage operation, according to a senior government official. A summary report on the probe compiled for senior German officials said the vessel, a sport sailing boat, was rented in northern Germany days before the blasts by the six people, some of whom presented Ukrainian passports as identification, the official said.

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