A hazardous materials team was responding to Kaiser offices in Burbank for a possible report of package with white powder.
Officials were taking extra precautions Thursday on the 13th anniversary of the 9/11 terror attacks.
In the weeks following the 9/11 terrorist attacks, a series of anthrax-filled letters were mailed to locations in Florida, New York, and Washington, DC, and resulted in five deaths, according to the US National Library of Medicine.
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