CLEAN : Nineteen hurt as blast then fire bring down New York buildings

The video discusses a gas-related explosion that occurred due to plumbing and gas work at 121 2nd Ave. The initial impact was severe, leading to a building collapse. Emergency responders arrived quickly and conducted dangerous searches for victims. Concerns are raised for pedestrians who might have been affected by the collapse.

What preliminary evidence was suggested regarding the cause of the explosion?

Describe the initial impact and the conditions that led to the explosion.

What actions did the members take upon arriving at the scene of the explosion?

What was the outcome of the searches conducted in the buildings after the explosion?

What concerns were raised about the people who might have been near the explosion?