_______________________________ From SaoPaolo, Daniel Gallars. "The police of Minas Gerais State presented today the first official in depth report into the worst mining disaster in Brazil's history. Authorities are asking for the arrest of a contractor, six executives of the Samarco Mining Company. Authorities say the executives are to blame for the deaths of19 people. According to the report, the company's dam burst due to excess of water in the reservoir lack of monitoring faulty equipment and a failure in the draining system." ____________________________丹尼尔.贾格思圣保罗报道."米纳斯吉拉斯州的警察今天首次公开针对巴西历史上最严重的矿难的深度调查报告.有关部门要求逮捕一名承包商及六名萨马科煤矿公司的高管.他们认为这些领导应对19名遇难者负责.该调查报告还提及该公司的溃坝是因为蓄水池水量过多,缺乏检测问题的设备以及排水系统故障.