Tragedy In New York: 21 Killed in Boiler Blast Tearing through the building with the force of a bomb blast, an exploding boiler takes 21 lives in a New York Telephone Company building. Leaving nearly 100 injured. The boiler, weighing more than a ton, was blown into the building's cafeteria during lunch hour. Killing and maiming those in its path. Interior of ambulance with victim and nurse, paramedic. Interior of ambulance with victim and doctor? Interior of building, debris, destruction, damage. Side of building, smoke coming out from windows. Crowd gathered. African American paramedic, wrapping injured mans leg. Pile of file cabinet drawers. Broken rear window of parked car. Overview of crowded street with police cars, emergency vehicles, fire engines, ambulances.