Four persons were injured after an LPG cylinder burst in a four-storied building in south Kolkata's Hindustan park.
Fire Department sources said that four persons received burns including an 81-year-old person who is in critical condition.
One of the injured was sent to Shishu Mangal hospital and three others to SSKM hospital. One of the three was released after first aid, the police said.
Seven fire-tenders brought the blaze under control, Fire Department sources said.
