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POPS9/11 First Responder Heard WTC 7 Demolition Countdown "That account was backed up by another ground zero rescue worker who went on the record with her full name. Volunteer EMT Indira Singh described to a radio show how she learned that WTC 7 was going to be "brought down" and the context was clear that it was to be deliberately demolished. In addition, former NYPD officer Craig Bartmer described hearing bombs tear down the building as he fled the collapse. Now another ground zero first responder has shed more light on how he heard the countdown moments before attempting to escape the collapse of Building 7 as a stampede ensued."