New Delhi, Dec. 15 -- A fire in a Vivek Vihar slum dwelling late Saturday night killed a one-year-old baby boy from burn injuries and seriously burned his four-year-old sister, police said. The children were on a bed close to the kitchen where their mother was cooking on a gas stove. She stepped out briefly to use the bathroom, and the fire erupted, spreading to the bed. Authorities are investigating whether a short circuit or the gas stove caused the fire.

Deputy commissioner of police (Shahdara) Prashant Priya Gautam said Vivek Vihar police station received information from Guru Teg Bahadur Hospital about two children admitted with severe burns. Police collected the medico-legal certificates of the children, identified as Pari, four, a...