Seven were gravely injured in the building collapse incident.
IMD on Wednesday issued an orange alert for July 22 and 23.
A part of a five-storey building collapsed in Mumbai on Friday morning.
At least 2,053 people became victims of fake vaccination camps.
So far, a total of 59.3 lakh people have been found COVID-19 infected in the state.
A residential building collapsed in the New Collector's Compound in Malad/
Monsoon has arrived early in Mumbai, according to IMD.
In view of citizens' safety, all kinds of safety measures have been taken by BMC's disaster management cell.
On Wednesday, petrol and diesel prices have increased by 25-25 paise per liter.