SIYABONGA SISHI and ALEXANDER WINNING A spate of corruption scandals during the COVID-19 pandemic has further fuelled some South Africans' frustration with the ruling African National Congress (ANC) party and its failure to tackle graft despite renewed promises from President Cyril Ramaphosa. Reports of suspect deals between state officials and businesses providing medical equipment, as well as food aid parcels to the poor, have sparked outrage in a country which has recorded some 650,000 coronavirus cases, the highest number in Africa, and is also in the grip of a deepening recession. "In the coronavirus pandemic, we thought ... things will…