January 20, 2017   Tehran Building Collapse: Investigators Must Consider Explosives NEW YORK – At approximately 11:30 AM local time yesterday in Tehran, an iconic 17-story high-rise known as the Plasco Building tragically collapsed after being on fire for some 3 ½ hours. It is not yet known how many firefighters and civilians were killed, but early reports say that anywhere from 20 to 50 are feared dead. Based on preliminary analysis of many videos of the collapse, Architects & …

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