The members of the family were rescued and sent to KMC hospital. When Kelambakkam Police enquired about the accident, they came to know about leakage in the gas cylinder. When Iyappan tried to open the refrigerator, it triggered a huge blast. The cylinder has been safely removed. 

Both husband and wife suffered 90 per cent burn injuries and the child suffered 5 per cent injury. 

The initial investigation revealed the accident occurred due to quality compromise in the cylinder used by the victim.