Two killed in cracker unit blast

Two members of a family were killed and another was injured in a blast at a cracker manufacturing unit here, police said.
The blast occurred last night in which a minor girl was killed. Her 70-year-old injured grandmother died in hospital this afternoon.
Police said another member of the family, a teen-aged girl is currently undergoing treatment in hospital.
All the three victims were related to the owner of the cracker manufacturing unit.
The cause of the blast is under investigation, police said.