In what is being seen as a major accident, as many as four labourers were killed and five others were severely injured after a boiler blast.
The blast took place in the distillery unit of Nirani Sugar Factory Limited in Kulalli village of Mudhol on Sunday afternoon.
It is learnt that close to ten people were working in the distillery unit of the sugar factory when the blast was reported.
It is assessed that the intensity of the blast was so powerful that the three-floor building completely collapsed, killing four persons on the spot.
The deceased are yet to be identified as their faces have suffered serious burn injuries.
The reason behind the blast is yet not known. The firefighters rushed to the spot and launched rescue operations.