One labourer was killed and three others injured in a blast at a residential house in Amlidih area of Raipur city on Wednesday, police said.
The deceased was identified as Dhanush Ratre (35) while the injured were wife Savita Ratre (32), father Rohbit Ratre (55) and sister-in-law lata Jangade (30).
The blast occurred in a container filled with a chemical at the residence of one Manoj Gwalani leading to a massive explosion in the house, Additional Superintendent of Police (ASP) (City) Vijay Agrawal said.
The blast was so powerful that its impact was felt upto 4 to 5 kms from the site hearing which the neighbours reached the spot, the ASP further said.
The injured were immediately rushed to a private hospital, the ASP said, adding that the deceased Dhanush died on way to hospital.
The condition of one of the victims is reported to be critical , Agrawal added.
The police and a Forensic team visited the spot and took samples of chemicals, he said.
Police have registered a case and further investigation is on, the ASP added.