律师称前消防安全主管在瑞士酒吧火灾调查中保持沉默
检察官认为，火灾是由于附有烟花的香槟酒瓶被举得太靠近酒吧地下室的天花板，点燃了隔音泡沫而引起的。
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来源: Euronews
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Prosecutors believe the fire started when champagne bottles with sparklers attached were raised too close to the ceiling in the bar's basement level, igniting the sound insulation foam.