Chilekwa Mumba, an organizer from Zambia who helped people from an area hurt by copper mining.

来自赞比亚的组织者奇列克瓦·蒙巴帮助了受铜矿开采影响地区的人们。

But shooting, including the sound of heavy weaponry, was later heard in the center of the copper mining city.

后来这座铜矿城市的中心发出了枪声，包括重型武器的声音。