Members of India's National Disaster Response Force (NDRF) head towards the site of a fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019.

Police stand guard as onlookers gather near the site of a fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019.

Ambulences are seen as police and firefighters respond to a deadly fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019, in this still image taken from video. ANI/via REUTERS TV.

A member of India's National Disaster Response Force (NDRF) walks after searching for survivors at the site of a fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019.

Hospital staff wheels the body of a victim of a fire that swept through a factory where laborers were sleeping, to a mortuary in New Delhi, India December 8, 2019.

A fire engine is seen at the site of a fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019.

An ambulance makes its way towards the site of a fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019.

Ambulences and a firefighting vehicle at the scene of a deadly fire that swept through a factory where laborers were sleeping, in New Delhi, India December 8, 2019, in this still image taken from video. ANI/via REUTERS TV.