India, Jan. 28 -- Seven persons including a two-year-old were injured after a gas cylinder leak triggered a powerful explosion and fire in a chawl in Malwani, in Malad west, early on Tuesday.

The explosion took place on the first floor of a chawl near AC Masjid at Malwani Gate No 8. According to residents, LPG leaked from a cylinder during the night and accumulated inside a unit in the chawl. When a family member switched on a light in the morning, a spark from the switchboard ignited the gas, triggering the explosion, they said.

Fire officials said the blaze was confined to household articles, edibles, mattresses and other materials. The fire was extinguished at 9:42 am.

Neighbours reported hearing a loud explosion that shook the chaw...