New Delhi, April 19 -- As many as 12 people are still feared trapped under the debris after a multi-storey building collapsed in Delhi's Mustafabad area on Saturday morning. Four people were killed in the incident. An official of the National Disaster Response Force (NDRF) highlighted the challenges of the rescue operation and said that the area is congested.

Deputy Inspector General (DIG) NDRF Mohsen Shahedi told ANI, "According to information received from locals, around 12 people are still trapped. Our NDRF team and other agencies are engaged in rescue work. This is a congested area and we are facing difficulties in the movement of heavy machinery; we hope we will be able to save lives..."

Meanwhile, Delhi Legislative Assembly Deputy...