The number of coronavirus cases inPune district crossed the 500-mark on Friday after 68 new infections were reported, while the death toll reached 48 with three more casualties, said a health official.The number of COVID-19 cases in the district stood at 565 by late Friday evening."In Pune city, number of cases is 480, in neighbouring Pimpri Chinchwad there are 49 cases and 36 cases in rural part of the district," the official said.While civic officials in Pune city said that with three deaths, the death toll has now reached 48 in the district.