Nine persons tested positive forcoronavirus in Dharavi in Mumbai on Wednesday, taking the number of coronavirus cases in the densely-populated slum area to 189, a civic official said.New cases were found in Kumbharwada, Shasrtrinagar, PMGP Colony, Kuttiwadi, 90-feet road and Tekdi Masjid localities of Dharavi, said the Brihanmumbai Municipal Corporation officer.Twelve COVID-19 patients from the area have died so far,the official added.