The Zambian government has dismissed claims of dangerous pollution in the Copperbelt mining region, following safety concerns raised by the US embassy.On Wednesday, the US embassy issued a health alert,

Zambia played down the potential health risks stemming from an environmental disaster at a mine controlled by a state-owned Chinese firm, after the US ordered the immediate withdrawal of its officials from the southern African nation’s second-biggest city.

The United States Embassy in Zambia ordered all U.S. government personnel Wednesday to leave a region in the north of the country affected by a toxic spill from a Chinese-owned mine that happened six months ago.