At least 11 rooms were reduced to ashes when a cooking gas cylinder exploded in a house at Bangurisingha village under the Motanga police station in Dhenkanal district on Monday.
Reports said a major fire erupted after the cylinder exploded in the kitchen of the house and soon quickly spread to the adjoining houses.
Though no casualty was reported, three persons of a family including a woman and her son and daughter-in-law sustained critical burn injuries.
The three injured persons were first rushed to a nearby hospital and later shifted to the SCB Medical College Hospital in Cuttack.
Meanwhile, a firefighting team reached the spot and doused the flames.
However, the amount of property gutted in the fire was yet to be ascertained.
