A 20-year-old man died while 11 others were injured when a three-storey residential building here collapsed on Wednesday following a cylinder explosion, police said.
The deceased has been identified as Anand Shashinath.
The incident took place around 7.45 a.m. in Sudarshan Park area of west Delhi's Moti Nagar.
"Rescue operation is still on, but all the people have been evacuated from the spot and one child is feared to be trapped under the debris," police said.
Police said the deceased as well as the injured, which include one woman and three children, were living in the building on rent.
"It was a three-storey building and it collapsed after an explosion in a gas cylinder. Rescue operation is still on," a Delhi Fire Services official told IANS.