patna a 17yearold boy was killed and two others including a woman were injured in a blast that reduced a house to rubble at hussainabad in bhagalpur district on saturday eveningthe victim was identified as tauseef alam his mother was injured in the blast she was admitted to a local hospital for treatmentalams father mohammad abdul ghani said i was in my shop when the incident occurred after returning home i saw my son lying dead in rubble my wife is seriously injured in the blast neighbours said it was a cylinder blast but two cylinders in my house were intact it was a bomb blasta police team reached the spot along with a dog squad after the incident city dsp ajay kumar chaudhary could not ascertain whether it was a blast due to a bomb or a cylinder