Health official Haydar al-Zamili told a leading media outlet that there are fears people are still trapped inside the ward, which reportedly has space for 60 patients.
Thirteen coronavirus patients died after the blaze in the intensive care unit (ICU) located on the second floor of the four-storeyed Vijay Vallabh Hospital at Virar in the early hours of Friday.
Officials said that it is a non-COVID facility and 31 patients were undergoing treatment, with 10 of them in the ICU, when the incident occurred around 8.10 pm
The hospital is situated on the top floor of the four-storeyed mall building and 76 patients, most of them being treated for COVID-19, were there when the fire broke out.