Zimbabwe has started rolling power cuts lasting up to eight hours that will also hit mines, a schedule from the State power utility showed on Monday, after reduced output at both the largest hydropower plant and ageing coal-fired generators. The power cuts will add to mounting public anger against President Emmerson Mnangagwa’s government as Zimbabweans grapple with an economic crisis that has seen shortages of US dollars, fuel, food and medicines, as well as soaring inflation that is eroding earnings and savings.