India, June 15 -- A fire broke out in a restaurant on the ground floor of a four-storey commercial building at Krishna Market in south Delhi's Kalkaji, leading to an explosion in three cooking gas cylinders, fueling the flames that reached the upper floors, engulfing the entire structure, in the early hours of Sunday, according to police and Delhi Fire Services (DFS).

A 70-year-old woman was trapped on the first floor of an adjacent building as smoke engulfed her house, but was safely rescued by firefighters. Four members of a family and two domestic helps were also inside the adjacent building and vacated the premises timely, a DFS officer said.

While no one was killed or injured in the fire, the blaze gutted items worth lakhs of rupee...