At least six people have died after a cassiterite mine collapsed in burundi , 120km ( 75 miles ) north of the capital .

布隆迪首都北部120公里处一座锡石矿发生坍塌，至少6人死亡。

Moreover , the congolese army is driving rebel groups closer to mining areas that have hitherto been considered fairly clean , such as the maniema province and north kivu 's bisie mine , which provides most of the country 's cassiterite .

并且，刚果政府正迫使反叛组织更靠近一些曾被认为是净土的矿源地，例如马尼埃玛省以及国内主要锡石来源地，北基伍省的比谢矿。