Investigators: Train ignited tar buildup in ventilation shaft of Old Post Office – Chicago Tribune
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Investigators: Train ignited tar buildup in ventilation shaft of Old Post Office
Chicago Tribune A small fire at the old Main Post Office over the weekend was caused by a passing or idling train that ignited built-up tar in a ventilation shaft, a Chicago Fire Department spokesman said this morning. The blaze flared up the shaft of the long-closed … |
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