The building 'Matruchaya', built 35 years ago, collapsed on Tuesday night at Cholve village, following which rescue operations were launched by the National Disaster Response Force, fire brigade officials and civic authorities said on Wednesday.
Nearly 50 villages in the district have been cut-off from the tehsil headquarters and two bridges remained submerged as heavy rains continued to lash Thane on Wednesday.
The bus carrying a total of 38 passengers was on its way from Thane to Ahmednagar when it fell into the 400-feet Malshej ravines near Tokawade in the morning, an officer in the disaster control management room said.
Eight persons were charred to death and three others seriously injured in a fire that broke out in three timber scrap godowns in the powerloom town of Bhiwandi near Thane, police and fire officials said.