Mumbai's biggest slum sprawlDharavi on Sunday reported 94 new COVID-19 cases and two deaths, a Brihanmumbai Municipal Corporation (BMC) official said.With this, the overall number of the cases from the densly-populated slum colony rose to 590 and the death toll to 20, he said."Dharavi on Sunday reported 94 new COVID-9 cases from various areas, taking the tally to 590 so far. The slum area also reported deaths of two COVID-19 patients, increasing the toll to 20," the official said.Dharavi, believed to be the biggest slum in India, is posing a tough challenge for the BMC and the Maharashtra government to contain the coronavirus spread, mainly due to its population density which makes social distancing very difficult.