Tracy warehouse fire: 5-alarm fire at medical supply warehouse
Our reporter at the scene says firefighters continue to try to get a 1 million square-foot medical supply warehouse fire under control. Fire officials say the building's sprinkler system was not operating. KTVU's Zak Sos described a chemical smell in the air from potential toxins. No injuries have been reported.
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Tracy warehouse fire: 5-alarm fire at medical supply warehouse
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