The boiler blast in Dombivali near Mumbai left five dead, and 125 injured.
The boiler explosion took place at Acharya chemical factory located in Dombivli on Thursday.
According to reports, some people are feared trapped in the factory.
The explosion also caused damage to six other buildings and led to panic in the area.
The explosion led to a fire. Fire tenders are at the spot to try and douse the flames.
Injured were taken to AIMS Dombivli, RR hospital, Shastrinagar hospital and Shivam hospital.
Here's a CCTV footage of the blast as and how it happened.
WATCH CCTV FOOTAGE
