When Pittsburgh police officers arrived on Oswald Street, just off California Avenue, they saw parked cars on fire and tires exploding. The heat was so intense that it caused the siding on a house ... more 
When Pittsburgh police officers arrived on Oswald Street, just off California Avenue, they saw parked cars on fire and tires exploding. The heat was so intense that it caused the siding on a house to peel. less 
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WTAE - Pittsburgh Videos
Fri, Nov 16, 2012 8:14 AM EST