"Three children have died in the incident which took place in the residential colony of labourers," Ludhiana Police Commissioner, Paramraj Singh Umranangal said.
He said preliminary reports suggest that there was a blast in a cylinder at the house of the victims.
SHO, Focal Point, Inspector Kamaljit Singh said that the incident occurred in a small room where the family lived in Sherpur Kalan area when the mother of the three children was preparing tea using LPG cylinder and fire broke out.
The victims have been identified as two girls Lado (1) and Krishna (4) and a boy Nitu (5), Singh said.
He said at the time of the incident, the father of the children, a migrant labourer, was away for work, he said.
A case has been registered in this connection, the SHO said.
