The incident occurred yesterday in Raheesh's house where his family members were manufacturing the fireworks. Some crackers caught fire from a LPG gas stove and exploded which caused the house collapse, police said.
Munisha Begum (65), Allahnoor(18), Alinoor(8) Chotu (25) yesterday died on the spot while Asif (18) was rushed to Saifai hospital in serious condition, they said, adding the bodies were recovered after removing the debris.
Raheesh and his wife were not present in the house when the incident occurred.
ASP Visrajan Singh Yadav said it is being investigated that how the manufacturing of fireworks was going on without licence and who supplied raw material.